Segment Reporting - Property, Plant and Equipment, Net by Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Segment Reporting Information [Line Items]
Property, plant and equipment, Total	$ 624.7	$ 584.2
United States
Segment Reporting Information [Line Items]
Property, plant and equipment, Total	491.1	452.3
United Kingdom
Segment Reporting Information [Line Items]
Property, plant and equipment, Total	17.8	17.4
Canada
Segment Reporting Information [Line Items]
Property, plant and equipment, Total	19.8	14.2
All other countries
Segment Reporting Information [Line Items]
Property, plant and equipment, Total	$ 96.0	$ 100.3
Property, Plant and Equipment | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	10.00%