v3.22.4
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