Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 33.2	$ 51.3	$ 77.9	$ 105.8
Other comprehensive income (loss):
Foreign currency translation gain (loss)	1.9	(5.2)	(5.7)	(2.7)
Comprehensive income	$ 35.1	$ 46.1	$ 72.2	$ 103.1