CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Paid-In Capital	Retained Deficit	Accum. Other Comprehensive Income	Common Stock In Treasury
Balance at beginning of period at Dec. 31, 2020	$ 640.1	$ 0.5	$ 1,319.9	$ (477.2)	$ 248.5	$ (451.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	88.7			88.7
Other comprehensive (loss) income, net	2.1				2.1
Incentive plan activity	6.8		6.8
Long-term incentive compensation expense	6.6		6.6
Restricted stock unit vesting	(4.8)		(12.1)			7.3
Common stock repurchases						(33.7)
Balance at end of period at Jul. 03, 2021	739.5	0.5	1,321.2	(388.5)	250.6	(444.3)
Balance at beginning of period at Apr. 03, 2021	671.7	0.5	1,315.8	(450.4)	251.2	(445.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	61.9			61.9
Other comprehensive (loss) income, net	(0.6)				(0.6)
Incentive plan activity	3.0		3.0
Long-term incentive compensation expense	3.6		3.6
Restricted stock unit vesting	(0.1)		(1.2)			1.1
Balance at end of period at Jul. 03, 2021	739.5	0.5	1,321.2	(388.5)	250.6	(444.3)
Balance at beginning of period at Dec. 31, 2021	1,102.9	0.5	1,334.2	(51.8)	263.9	(443.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	24.4			24.4
Other comprehensive (loss) income, net	(9.9)				(9.9)
Incentive plan activity	6.5		6.5
Long-term incentive compensation expense	5.6		5.6
Restricted stock unit vesting	(7.2)		(19.0)			11.8
Common stock repurchases	(33.7)
Balance at end of period at Jul. 02, 2022	1,088.6	0.5	1,327.3	(27.4)	254.0	(465.8)
Balance at beginning of period at Apr. 02, 2022	1,115.8	0.5	1,321.2	(40.4)	266.9	(432.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	13.0			13.0
Other comprehensive (loss) income, net	(12.9)				(12.9)
Incentive plan activity	4.0		4.0
Long-term incentive compensation expense	2.5		2.5
Restricted stock unit vesting	(0.1)		(0.4)			0.3
Common stock repurchases	(33.7)	(33.7)				(33.7)
Balance at end of period at Jul. 02, 2022	$ 1,088.6	$ 0.5	$ 1,327.3	$ (27.4)	$ 254.0	$ (465.8)