Consolidated Statements of Equity - USD ($) $ in Millions	Total	Cumulative effect of changes in accounting principle, net of taxes	Common Shares	Additional Paid-in-Capital	Retained Earnings (Accumulated deficit)	Retained Earnings (Accumulated deficit) Cumulative effect of changes in accounting principle, net of taxes	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Dec. 29, 2018			136,195,000
Beginning Balance at Dec. 29, 2018	$ 1,170.4	$ 10.5	$ 899.4	$ 73.9	$ 298.8	$ 10.5	$ (101.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	2.9				2.9
Other comprehensive income, net of tax	33.2						33.2
Common shares dividends ($0.24 per common share)	(32.6)				(32.6)
Share-based compensation	12.4			12.4
Common shares repurchased and canceled (in shares)			(2,270,000)
Common shares repurchased and canceled	(31.8)		$ (17.2)		(14.6)
Common shares issued - Equity Incentive Plan (in shares)			781,000
Common shares issued - Equity Incentive Plan	0.1		$ 8.8	(8.7)
Common shares issued - Dividend Reinvestment Plan (in shares)			3,000
Common shares issued - Employee Stock Purchase Plan (in shares)			94,000
Common shares issued - Employee Stock Purchase Plan	1.1		$ 1.3	(0.2)
Ending Balance (in shares) at Dec. 28, 2019			134,803,000
Ending Balance at Dec. 28, 2019	1,166.2	$ (3.6)	$ 892.3	77.4	265.0	$ (3.6)	(68.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(131.7)				(131.7)
Other comprehensive income, net of tax	(18.2)						(18.2)
Common shares dividends ($0.24 per common share)	(38.9)				(38.9)
Share-based compensation	19.8			19.8
Common shares issued in connection with business combination and assumed vested awards, net of equity issuance costs of $1.1 million (in shares)			26,497,000
Common shares issued in connection with business combination and assumed vested awards, net of equity issuance costs of $1.1 million	379.4		$ 376.5	2.9
Common shares repurchased and canceled (in shares)			(2,857,000)
Common shares repurchased and canceled	(33.2)		$ (23.5)		(9.7)
Common shares issued - Equity Incentive Plan (in shares)			1,833,000
Common shares issued - Equity Incentive Plan	5.9		$ 21.2	(15.3)
Common shares issued - Dividend Reinvestment Plan (in shares)			1,000
Common shares issued - Employee Stock Purchase Plan (in shares)			129,000
Common shares issued - Employee Stock Purchase Plan	$ 1.2		$ 1.5	(0.3)
Ending Balance (in shares) at Jan. 02, 2021	160,406,464		160,406,000
Ending 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 (loss) income	(3.2)				(3.2)
Other comprehensive income, net of tax	17.6						17.6
Common shares dividends ($0.24 per common share)	(39.0)				(39.0)
Share-based compensation	17.5			17.5
Common shares repurchased and canceled (in shares)			(2,910,000)
Common shares repurchased and canceled	(48.1)		$ (25.6)		(22.5)
Common shares issued - Equity Incentive Plan (in shares)			3,124,000
Common shares issued - Equity Incentive Plan	26.8		$ 42.6	(15.8)
Common shares issued - Dividend Reinvestment Plan (in shares)			1,000
Common shares issued - Employee Stock Purchase Plan (in shares)			111,000
Common shares issued - Employee Stock Purchase Plan	$ 1.6		$ 1.9	(0.3)
Ending Balance (in shares) at Jan. 01, 2022	160,732,552		160,732,000
Ending Balance at Jan. 01, 2022	$ 1,320.1		$ 1,286.9	$ 85.9	$ 16.4		$ (69.1)