Operating Segments and Geographic Information - Segment Reconciling Items (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Information on reportable segments
Gross profit	$ 153.5	$ 123.3	$ 481.9	$ 355.4
Income from operations	7.9	0.4	39.6	14.0
Stock-based compensation	(10.8)	(7.6)	(28.5)	(22.8)
Amortization of intangibles	(9.2)	(4.5)	(29.4)	(11.0)
Restructuring and related charges	(0.9)	(0.3)	(16.0)	(4.3)
Other Items
Information on reportable segments
Gross profit	(9.0)	(10.7)	(29.0)	(23.3)
Income from operations	(31.1)	(32.8)	(107.1)	(73.9)
Gross Profit
Information on reportable segments
Gross profit	153.5	123.3	481.9	355.4
Gross Profit \| Segment Measures
Information on reportable segments
Gross profit	162.5	134.0	510.9	378.7
Gross Profit \| Other Items
Information on reportable segments
Stock-based compensation	(1.1)	(0.8)	(2.8)	(2.4)
Amortization of intangibles	(7.9)	(6.2)	(25.8)	(14.4)
Other charges unrelated to core operating performance	0.0	(3.7)	(0.4)	(6.5)
Operating Income (Loss)
Information on reportable segments
Income from operations	7.9	0.4	39.6	14.0
Operating Income (Loss) \| Segment Measures
Information on reportable segments
Income from operations	39.0	33.2	146.7	87.9
Operating Income (Loss) \| Other Items
Information on reportable segments
Stock-based compensation	(10.8)	(7.6)	(28.5)	(22.8)
Amortization of intangibles	(17.1)	(10.7)	(55.2)	(25.4)
Other charges unrelated to core operating performance	(2.3)	(14.2)	(7.4)	(21.4)
Restructuring and related charges	$ (0.9)	$ (0.3)	$ (16.0)	$ (4.3)

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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