Consolidated Statements of Stockholders' (Deficit) Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Net Parent Investment	Accumulated Other Comprehensive Loss
Balance at Dec. 30, 2018	$ 563.2	$ 0.0	$ 0.0	$ 0.0	$ 576.2	$ (13.0)
Balance (in shares) at Dec. 30, 2018		0.0
Increase (Decrease) in Stockholders' Equity
Net income	54.5				54.5
Foreign currency translation adjustments, net of tax	2.5					2.5
Share-based compensation expense	1.0				1.0
Net transfer to Parent and affiliates	(3.4)				(3.4)
Balance at Mar. 31, 2019	618.9	$ 0.0	0.0	0.0	$ 629.4	(10.5)
Balance (in shares) at Mar. 31, 2019		0.0
Balance at Dec. 29, 2019	$ (137.2)	$ 1.3	3.5	(127.1)		(14.9)
Balance (in shares) at Dec. 29, 2019	133.6	133.6
Increase (Decrease) in Stockholders' Equity
Net income	$ 44.7			44.7
Foreign currency translation adjustments, net of tax	(7.6)					(7.6)
Share-based compensation expense	2.1		2.1
Common stock issued for the exercise and vesting of stock-based awards	0.8		0.8
Common stock issued for the exercise and vesting of stock-based awards (in shares)		0.3
Withholding taxes withheld on share based awards	(6.4)		(6.4)
Balance at Mar. 29, 2020	$ (103.6)	$ 1.3	$ 0.0	$ (82.4)		$ (22.5)
Balance (in shares) at Mar. 29, 2020	133.9	133.9