Income Taxes - Earnings (Loss) From Continuing Operations Before Taxes Per Jurisdiction (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2016		Dec. 28, 2014	Dec. 29, 2013
Income Tax Disclosure [Abstract]
Domestic	$ 28.9		$ 5.9	$ 35.1
Foreign	33.6		10.7	13.7
Earnings from operations before taxes	$ 62.5	[1]	$ 16.6	$ 48.8

[1] Fiscal year included 53 weeks.