v3.25.2
Divestitures - Summary of Components of Income (Loss) from Discontinued Operations (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jan. 09, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Operating expenses:          
Asset impairments       $ 0.0 $ 17.2
Income tax (expense) benefit   $ (6.6) $ (38.1) 383.7 51.6
Discontinued Operations [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Net sales   8.1 355.3 110.9 633.4
Cost of sales   7.4 207.5 71.5 [1] 389.0 [1]
Gross profit (loss)   0.7 147.8 39.4 244.4
Operating expenses:          
Selling, general and administrative   4.6 24.3 21.2 64.5
Research and development   0.0 19.0 6.1 38.8
Amortization of purchased intangible assets   0.0 4.9 0.0 16.4
Asset impairments   0.0 17.2 0.0 17.2
Total operating expenses   4.6 65.4 27.3 136.9
Operating income (loss)   (3.9) 82.4 12.1 107.5
Other income (expense), net   0.3 [2] (19.9) [2] (0.9) [3] (24.1) [3]
Income (loss) from operations of discontinued businesses before income taxes   (3.6) 62.5 11.2 83.4
Gain (loss) on disposal of discontinued operations before income taxes   (0.6) 0.0 869.2 (21.9)
Income tax (expense) benefit   6.6 38.1 (383.7) (51.6)
Income (loss) from discontinued operations, net of income taxes   2.4 100.6 496.7 9.9
Discontinued Operations [Member] | OWN Segment [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Net sales   2.4 256.3 89.3 452.3
Cost of sales   0.0 145.1 49.8 [1] 263.7 [1]
Gross profit (loss)   2.4 111.2 39.5 188.6
Operating expenses:          
Selling, general and administrative   4.4 16.0 20.2 31.0
Research and development   0.0 12.4 3.1 24.5
Amortization of purchased intangible assets   0.0 3.7 0.0 7.5
Asset impairments   0.0 0.0 0.0 0.0
Total operating expenses   4.4 32.1 23.3 63.0
Operating income (loss)   (2.0) 79.1 16.2 125.6
Other income (expense), net   0.1 [2] (1.7) [2] (1.1) [3] (5.9) [3]
Income (loss) from operations of discontinued businesses before income taxes   (1.9) 77.4 15.1 119.7
Gain (loss) on disposal of discontinued operations before income taxes   (0.6) 0.0 869.2 0.0
Income tax (expense) benefit   6.2 24.3 (385.6) (32.1)
Income (loss) from discontinued operations, net of income taxes   3.7 101.7 498.7 87.6
Discontinued Operations [Member] | DAS [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Net sales   0.0 77.0 11.7 148.4
Cost of sales   0.0 39.6 10.0 [1] 78.9 [1]
Gross profit (loss)   0.0 37.4 1.7 69.5
Operating expenses:          
Selling, general and administrative   0.0 7.3 3.4 16.9
Research and development   0.0 6.6 3.0 14.2
Amortization of purchased intangible assets   0.0 1.2 0.0 2.5
Asset impairments   0.0 0.0 0.0 0.0
Total operating expenses   0.0 15.1 6.4 33.6
Operating income (loss)   0.0 22.3 (4.7) 35.9
Other income (expense), net   0.0 [2] 0.0 [2] 0.0 [3] 0.0 [3]
Income (loss) from operations of discontinued businesses before income taxes   0.0 22.3 (4.7) 35.9
Gain (loss) on disposal of discontinued operations before income taxes   0.0 0.0 0.0 0.0
Income tax (expense) benefit   0.0 7.0 2.0 (9.6)
Income (loss) from discontinued operations, net of income taxes   0.0 29.3 (2.7) 26.3
Discontinued Operations [Member] | Home Segment [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Net sales   5.7 22.0 9.9 32.7
Cost of sales   7.4 22.8 11.7 [1] 46.4 [1]
Gross profit (loss)   (1.7) (0.8) (1.8) (13.7)
Operating expenses:          
Selling, general and administrative   0.2 1.0 (2.4) 16.6
Research and development   0.0 0.0 0.0 0.1
Amortization of purchased intangible assets   0.0 0.0 0.0 6.4
Asset impairments   0.0 17.2 0.0 17.2
Total operating expenses   0.2 18.2 (2.4) 40.3
Operating income (loss)   (1.9) (19.0) 0.6 (54.0)
Other income (expense), net   0.2 [2] (18.2) [2] 0.2 [3] (18.2) [3]
Income (loss) from operations of discontinued businesses before income taxes   (1.7) (37.2) 0.8 (72.2)
Gain (loss) on disposal of discontinued operations before income taxes $ (21.9) 0.0 0.0 0.0 (21.9)
Income tax (expense) benefit   0.4 6.8 (0.1) (9.9)
Income (loss) from discontinued operations, net of income taxes   $ (1.3) $ (30.4) $ 0.7 $ (104.0)
[1] Cost of sales includes a charge of $19.5 million for excess and obsolete inventory related to the Home business during the six months ended June 30, 2024.
[2] Other income (expense), net includes a loss on equity investment of $17.0 million for the three months ended June 30, 2024.
[3] Other income (expense), net includes a loss on equity investment of $17.0 million for the six months ended June 30, 2024.