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Shareholders' Equity and Long-Term Incentive Compensation - Components Used for Calculation of Basic and Diluted Income (Loss) (Details) - USD ($)
shares in Thousands, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2022
Oct. 01, 2022
Jul. 02, 2022
Apr. 02, 2022
Dec. 31, 2021
Oct. 02, 2021
Jul. 03, 2021
Apr. 03, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Numerator:                      
Income from continuing operations                 $ 19.8 $ 59.0 $ 73.8
Income (loss) from discontinued operations, net of tax $ (2.5) $ (9.4) $ (6.1) $ (1.6) $ 2.0 $ 316.4 $ 44.2 $ 3.8 $ (19.6) $ 366.4 $ 25.2
Denominator:                      
Weighted-average number of common shares used in basic income per share (in shares)                 45,345 45,289 44,628
Dilutive securities — Employee stock options and restricted stock units (in shares)                 876 1,206 1,138
Weighted-average number of common shares and dilutive securities used in diluted income per share (in shares)                 46,221 46,495 45,766