Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 4,689.0	$ 4,349.2	$ 13,844.4	$ 13,025.2
Cost of goods sold	4,084.3	3,790.5	12,031.5	11,344.2
Gross profit	604.7	558.7	1,812.9	1,681.0
Operating expenses	545.5	498.6	1,630.1	1,521.3
Operating profit	59.2	60.1	182.8	159.7
Other expense, net:
Interest expense	16.5	15.2	48.1	44.9
Other, net	(1.0)	0.1	(0.5)	(0.3)
Other expense, net	15.5	15.3	47.6	44.6
Income before taxes	43.7	44.8	135.2	115.1
Income tax expense (benefit)	11.4	11.1	31.6	(19.2)
Net income	$ 32.3	$ 33.7	$ 103.6	$ 134.3
Weighted-average common shares outstanding:
Basic	103.8	102.7	103.8	101.7
Diluted	105.1	104.5	105.1	104.5
Earnings per common share:
Basic	$ 0.31	$ 0.33	$ 1.00	$ 1.32
Diluted	$ 0.31	$ 0.32	$ 0.99	$ 1.29