Consolidated Statements of Equity - USD ($) $ in Millions	Total	Equity Incentive Plan	Common Shares	Common Shares Equity Incentive Plan	Additional Paid-in-Capital	Additional Paid-in-Capital Equity Incentive Plan	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Jan. 02, 2021			160,406,000
Beginning Balance at Jan. 02, 2021	$ 1,346.9		$ 1,268.0		$ 84.5		$ 81.1	$ (86.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(0.4)						(0.4)
Other comprehensive income, net of tax	9.7							9.7
Common shares dividends	(29.2)						(29.2)
Share-based compensation	10.0				10.0
Common shares repurchased and canceled (in shares)			(2,765,000)
Common shares repurchased and canceled	(45.6)		$ (23.8)				(21.8)
Common shares issued - Equity Incentive Plan (in shares)				2,408,000
Common shares issued - Equity Incentive Plan		$ 20.9		$ 32.2		$ (11.3)
Common shares issued - Dividend Reinvestment Plan (in shares)			1,000
Common shares issued - Employee Stock Purchase Plan (in shares)			85,000
Common shares issued - Employee Stock Purchase Plan	1.2		$ 1.4		(0.2)
Ending Balance (in shares) at Oct. 02, 2021			160,135,000
Ending Balance at Oct. 02, 2021	1,313.5		$ 1,277.8		83.0		29.7	(77.0)
Beginning Balance (in shares) at Jul. 03, 2021			161,604,000
Beginning Balance at Jul. 03, 2021	1,326.0		$ 1,287.7		80.1		36.4	(78.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	18.1						18.1
Other comprehensive income, net of tax	1.2							1.2
Common shares dividends	(9.7)						(9.7)
Share-based compensation	3.8				3.8
Common shares repurchased and canceled (in shares)			(1,783,000)
Common shares repurchased and canceled	(29.3)		$ (14.2)				(15.1)
Common shares issued - Equity Incentive Plan (in shares)				289,000
Common shares issued - Equity Incentive Plan		3.1		$ 3.9		(0.8)
Common shares issued - Employee Stock Purchase Plan (in shares)			25,000
Common shares issued - Employee Stock Purchase Plan	0.3		$ 0.4		(0.1)
Ending Balance (in shares) at Oct. 02, 2021			160,135,000
Ending Balance at Oct. 02, 2021	$ 1,313.5		$ 1,277.8		83.0		29.7	(77.0)
Beginning Balance (in shares) at Jan. 01, 2022	160,732,552		160,732,000
Beginning Balance at Jan. 01, 2022	$ 1,320.1		$ 1,286.9		85.9		16.4	(69.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(27.9)						(27.9)
Other comprehensive income, net of tax	5.1							5.1
Common shares dividends	(34.4)						(34.4)
Share-based compensation	10.7				10.7
Common shares repurchased and canceled (in shares)			(949,000)
Common shares repurchased and canceled	(13.0)		$ (8.6)				(4.4)
Common shares issued - Equity Incentive Plan (in shares)				559,000
Common shares issued - Equity Incentive Plan		0.9		$ 6.9		(6.0)
Common shares issued - Dividend Reinvestment Plan (in shares)			1,000
Common shares issued - Employee Stock Purchase Plan (in shares)			92,000
Common shares issued - Employee Stock Purchase Plan	$ 1.2		$ 1.4		(0.2)
Ending Balance (in shares) at Oct. 01, 2022	160,435,322		160,435,000
Ending Balance at Oct. 01, 2022	$ 1,262.7		$ 1,286.6		90.4		(50.3)	(64.0)
Beginning Balance (in shares) at Jul. 02, 2022			161,209,000
Beginning Balance at Jul. 02, 2022	1,276.8		$ 1,292.6		87.3		(35.7)	(67.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1.3						1.3
Other comprehensive income, net of tax	3.4							3.4
Common shares dividends	(11.5)						(11.5)
Share-based compensation	3.2				3.2
Common shares repurchased and canceled (in shares)			(814,000)
Common shares repurchased and canceled	(11.0)		$ (6.6)				(4.4)
Common shares issued - Equity Incentive Plan (in shares)				7,000
Common shares issued - Equity Incentive Plan		$ 0.1		$ 0.2		$ (0.1)
Common shares issued - Employee Stock Purchase Plan (in shares)			33,000
Common shares issued - Employee Stock Purchase Plan	$ 0.4		$ 0.4
Ending Balance (in shares) at Oct. 01, 2022	160,435,322		160,435,000
Ending Balance at Oct. 01, 2022	$ 1,262.7		$ 1,286.6		$ 90.4		$ (50.3)	$ (64.0)