Segment Disclosures - Summary of Long-Lived Assets By Geographic Area (Details) - USD ($) $ in Millions	Jan. 01, 2017	Jan. 03, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 80.8	$ 88.9
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	69.5	75.8
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 11.3	$ 13.1