Senior Notes' Guarantor and Non-Guarantor Financial Information - Schedule of Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2022 |
Jan. 01, 2022 |
Jan. 02, 2021 |
Condensed Financial Statements, Captions [Line Items] |
|
|
|
Net cash (used in) provided by operating activities |
$ 284,098
|
$ 361,929
|
$ 408,869
|
Cash flows from investing activities: |
|
|
|
Acquisitions, net of cash acquired |
(22,730)
|
(19,513)
|
(123,477)
|
Purchase of property, plant and equipment |
(266,733)
|
(211,982)
|
(177,249)
|
Proceeds from the sale of property, plant, and equipment |
15,374
|
11,674
|
14,018
|
Proceeds from sale of businesses |
373,073
|
128,337
|
0
|
Other |
(3,162)
|
236
|
1,121
|
Net cash provided by (used in) investing activities |
95,822
|
(91,248)
|
(285,587)
|
Cash flows from financing activities: |
|
|
|
Net proceeds from debt issuance |
0
|
0
|
700,000
|
Payments on long-term debt |
(122,536)
|
(329,010)
|
(674,045)
|
Payments on acquisition-related liabilities |
(13,428)
|
(10,360)
|
(33,257)
|
Debt issuance costs |
(1,557)
|
0
|
(9,605)
|
Distributions from partnership |
(678)
|
0
|
0
|
Other |
(27)
|
(1,008)
|
(907)
|
Net cash used in financing activities |
(238,993)
|
(307,927)
|
(16,771)
|
Impact of foreign currency on cash |
(1,437)
|
26
|
351
|
Net increase (decrease) in cash |
139,490
|
(37,220)
|
106,862
|
Cash and cash equivalents—beginning of period |
380,961
|
418,181
|
311,319
|
Cash and cash equivalents—end of period |
520,451
|
380,961
|
418,181
|
Summit Materials, LLC |
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
Net cash (used in) provided by operating activities |
283,553
|
361,929
|
408,869
|
Cash flows from investing activities: |
|
|
|
Acquisitions, net of cash acquired |
(22,730)
|
(19,513)
|
(123,477)
|
Purchase of property, plant and equipment |
(266,733)
|
(211,982)
|
(177,249)
|
Proceeds from the sale of property, plant, and equipment |
15,374
|
11,674
|
14,018
|
Proceeds from sale of businesses |
373,073
|
128,337
|
0
|
Other |
(3,162)
|
236
|
1,121
|
Net cash provided by (used in) investing activities |
95,822
|
(91,248)
|
(285,587)
|
Cash flows from financing activities: |
|
|
|
Proceeds from investment by member |
(41,508)
|
32,451
|
1,043
|
Net proceeds from debt issuance |
0
|
0
|
700,000
|
Loans received from and payments made on loans from other Summit Companies |
0
|
0
|
0
|
Payments on long-term debt |
(122,536)
|
(329,010)
|
(674,045)
|
Payments on acquisition-related liabilities |
(13,428)
|
(7,860)
|
(30,757)
|
Debt issuance costs |
(1,557)
|
0
|
(9,605)
|
Distributions from partnership |
(59,392)
|
(2,500)
|
(2,500)
|
Other |
(27)
|
(1,008)
|
(907)
|
Net cash used in financing activities |
(238,448)
|
(307,927)
|
(16,771)
|
Impact of foreign currency on cash |
(1,437)
|
26
|
351
|
Net increase (decrease) in cash |
139,490
|
(37,220)
|
106,862
|
Cash and cash equivalents—beginning of period |
380,961
|
418,181
|
311,319
|
Cash and cash equivalents—end of period |
520,451
|
380,961
|
418,181
|
Summit Materials, LLC | Eliminations |
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
Net cash (used in) provided by operating activities |
0
|
0
|
0
|
Cash flows from investing activities: |
|
|
|
Acquisitions, net of cash acquired |
0
|
0
|
0
|
Purchase of property, plant and equipment |
0
|
0
|
0
|
Proceeds from the sale of property, plant, and equipment |
0
|
0
|
0
|
Proceeds from sale of businesses |
0
|
0
|
|
Other |
0
|
0
|
0
|
Net cash provided by (used in) investing activities |
0
|
0
|
0
|
Cash flows from financing activities: |
|
|
|
Proceeds from investment by member |
0
|
0
|
0
|
Net proceeds from debt issuance |
|
|
0
|
Loans received from and payments made on loans from other Summit Companies |
(2,334)
|
(1,043)
|
2,836
|
Payments on long-term debt |
0
|
0
|
0
|
Payments on acquisition-related liabilities |
0
|
0
|
0
|
Debt issuance costs |
0
|
|
0
|
Distributions from partnership |
0
|
0
|
0
|
Other |
0
|
0
|
0
|
Net cash used in financing activities |
(2,334)
|
(1,043)
|
2,836
|
Impact of foreign currency on cash |
0
|
0
|
0
|
Net increase (decrease) in cash |
(2,334)
|
(1,043)
|
2,836
|
Cash and cash equivalents—beginning of period |
(4,684)
|
(3,641)
|
(6,477)
|
Cash and cash equivalents—end of period |
(7,018)
|
(4,684)
|
(3,641)
|
Issuers | Summit Materials, LLC | Reportable Legal Entities |
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
Net cash (used in) provided by operating activities |
(126,319)
|
(136,008)
|
(135,895)
|
Cash flows from investing activities: |
|
|
|
Acquisitions, net of cash acquired |
0
|
0
|
0
|
Purchase of property, plant and equipment |
(14,374)
|
(1,237)
|
(2,150)
|
Proceeds from the sale of property, plant, and equipment |
0
|
0
|
0
|
Proceeds from sale of businesses |
5,924
|
0
|
|
Other |
0
|
0
|
0
|
Net cash provided by (used in) investing activities |
(8,450)
|
(1,237)
|
(2,150)
|
Cash flows from financing activities: |
|
|
|
Proceeds from investment by member |
(64,238)
|
29,685
|
(91,142)
|
Net proceeds from debt issuance |
|
|
700,000
|
Loans received from and payments made on loans from other Summit Companies |
498,688
|
381,393
|
298,656
|
Payments on long-term debt |
(105,496)
|
(306,355)
|
(657,942)
|
Payments on acquisition-related liabilities |
0
|
0
|
0
|
Debt issuance costs |
(1,557)
|
|
(9,605)
|
Distributions from partnership |
(59,392)
|
(2,500)
|
(2,500)
|
Other |
27
|
(1,008)
|
(822)
|
Net cash used in financing activities |
268,032
|
101,215
|
236,645
|
Impact of foreign currency on cash |
0
|
0
|
0
|
Net increase (decrease) in cash |
133,263
|
(36,030)
|
98,600
|
Cash and cash equivalents—beginning of period |
365,044
|
401,074
|
302,474
|
Cash and cash equivalents—end of period |
498,307
|
365,044
|
401,074
|
100% Owned Guarantors | Summit Materials, LLC | Reportable Legal Entities |
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
Net cash (used in) provided by operating activities |
386,579
|
471,106
|
502,595
|
Cash flows from investing activities: |
|
|
|
Acquisitions, net of cash acquired |
(22,730)
|
(19,513)
|
(92,085)
|
Purchase of property, plant and equipment |
(243,522)
|
(201,038)
|
(173,228)
|
Proceeds from the sale of property, plant, and equipment |
14,864
|
10,894
|
13,935
|
Proceeds from sale of businesses |
367,149
|
128,337
|
|
Other |
(3,162)
|
236
|
1,121
|
Net cash provided by (used in) investing activities |
112,599
|
(81,084)
|
(250,257)
|
Cash flows from financing activities: |
|
|
|
Proceeds from investment by member |
22,730
|
2,766
|
87,925
|
Net proceeds from debt issuance |
|
|
0
|
Loans received from and payments made on loans from other Summit Companies |
(490,786)
|
(370,940)
|
(288,711)
|
Payments on long-term debt |
(17,040)
|
(22,011)
|
(15,911)
|
Payments on acquisition-related liabilities |
(13,428)
|
(7,860)
|
(30,757)
|
Debt issuance costs |
0
|
|
0
|
Distributions from partnership |
0
|
0
|
0
|
Other |
(54)
|
0
|
(85)
|
Net cash used in financing activities |
(498,578)
|
(398,045)
|
(247,539)
|
Impact of foreign currency on cash |
0
|
0
|
0
|
Net increase (decrease) in cash |
600
|
(8,023)
|
4,799
|
Cash and cash equivalents—beginning of period |
2,264
|
10,287
|
5,488
|
Cash and cash equivalents—end of period |
2,864
|
2,264
|
10,287
|
Non-Guarantors | Summit Materials, LLC | Reportable Legal Entities |
|
|
|
Condensed Financial Statements, Captions [Line Items] |
|
|
|
Net cash (used in) provided by operating activities |
23,293
|
26,831
|
42,169
|
Cash flows from investing activities: |
|
|
|
Acquisitions, net of cash acquired |
0
|
0
|
(31,392)
|
Purchase of property, plant and equipment |
(8,837)
|
(9,707)
|
(1,871)
|
Proceeds from the sale of property, plant, and equipment |
510
|
780
|
83
|
Proceeds from sale of businesses |
0
|
0
|
|
Other |
0
|
0
|
0
|
Net cash provided by (used in) investing activities |
(8,327)
|
(8,927)
|
(33,180)
|
Cash flows from financing activities: |
|
|
|
Proceeds from investment by member |
0
|
0
|
4,260
|
Net proceeds from debt issuance |
|
|
0
|
Loans received from and payments made on loans from other Summit Companies |
(5,568)
|
(9,410)
|
(12,781)
|
Payments on long-term debt |
0
|
(644)
|
(192)
|
Payments on acquisition-related liabilities |
0
|
0
|
0
|
Debt issuance costs |
0
|
|
0
|
Distributions from partnership |
0
|
0
|
0
|
Other |
0
|
0
|
0
|
Net cash used in financing activities |
(5,568)
|
(10,054)
|
(8,713)
|
Impact of foreign currency on cash |
(1,437)
|
26
|
351
|
Net increase (decrease) in cash |
7,961
|
7,876
|
627
|
Cash and cash equivalents—beginning of period |
18,337
|
10,461
|
9,834
|
Cash and cash equivalents—end of period |
$ 26,298
|
$ 18,337
|
$ 10,461
|