Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Sep. 28, 2019	Sep. 29, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 36.1	$ 28.2
Interest rate swaps:
Change in fair value, net of tax	(0.5)	0.8
Reclassification adjustment, net of tax	(0.6)	(0.5)
Other comprehensive (loss) income	(1.1)	0.3
Total comprehensive income	$ 35.0	$ 28.5