Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 193.2	$ 183.7	$ 161.4
Other comprehensive income (loss)
Foreign currency translation gain (loss)	(1.9)	(1.7)	7.1
Comprehensive income	$ 191.3	$ 182.0	$ 168.5