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	Non- Controlling Interests
Balance (in shares) at Dec. 30, 2017				139,489,000
Balance at Dec. 30, 2017	$ 885.7			$ 917.1		$ 69.1		$ (12.2)	$ (94.4)	$ 6.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares repurchased and canceled (in shares)				(355,000)
Common shares repurchased and canceled	(5.6)			$ (5.6)
Common shares issued - Equity Incentive Plan (in shares)					992,000
Common shares issued - Equity Incentive Plan			$ 1.5		$ 10.3		$ (8.8)
Common shares issued - Dividend Reinvestment Plan (in shares)				8,000
Common shares issued - Dividend Reinvestment Plan	0.1			$ 0.1
Common shares issued - Employee Stock Purchase Plan (in shares)				26,000
Common shares issued - Employee Stock Purchase Plan	0.2			$ 0.3		(0.1)
Share-based compensation	3.4					3.4
Common shares dividends ($0.06 per common share)	(8.5)							(8.5)
Distributions to non-controlling interests	(0.9)									(0.9)
Sale of subsidiary shares of non-controlling interests	(5.8)									(5.8)
Comprehensive income (loss)
Currency translation adjustment	8.3								8.3
Pension benefit plan, net of tax	16.9	[1]							16.9
Loss on derivative instruments, net of tax	(3.8)	[2]							(3.8)
Net income	362.0							361.4		0.6
Balance (in shares) at Mar. 31, 2018				140,160,000
Balance at Mar. 31, 2018	$ 1,253.5			$ 922.2		63.6		340.7	(73.0)	0.0
Balance (in shares) at Dec. 29, 2018	136,195,108			136,195,000
Balance at Dec. 29, 2018	$ 1,170.4			$ 899.4		73.9		298.8	(101.7)	0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect on Retained Earnings, Net of Tax	10.5							10.5
Common shares repurchased and canceled (in shares)				(770,000)
Common shares repurchased and canceled	(11.0)			$ (6.9)				(4.1)
Common shares issued - Equity Incentive Plan (in shares)					519,000
Common shares issued - Equity Incentive Plan			$ 0.0		$ 6.1		$ (6.1)
Common shares issued - Employee Stock Purchase Plan (in shares)				22,000
Common shares issued - Employee Stock Purchase Plan	0.4			$ 0.4		0.0
Share-based compensation	3.5					3.5
Common shares dividends ($0.06 per common share)	(8.2)							(8.2)
Comprehensive income (loss)
Currency translation adjustment	10.6								10.6
Pension benefit plan, net of tax	0.0	[1]							0.0
Loss on derivative instruments, net of tax	(5.5)	[2]							(5.5)
Net income	$ (19.7)							(19.7)		0.0
Balance (in shares) at Mar. 30, 2019	135,965,923			135,966,000
Balance at Mar. 30, 2019	$ 1,151.0			$ 899.0		$ 71.3		$ 277.3	$ (96.6)	$ 0.0

[1] Net of $3.6 million of associated tax impact that resulted in an increase to the gain on sale of discontinued operations for the three months ended March 31, 2018.

[2] Net of the effect of $1.6 million and $0.4 million tax benefit for the three months ended March 30, 2019 and March 31, 2018, respectively.