Operating Segments and Geographic Information - Segment Reconciling Items (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018
Information on reportable segments
Gross profit	$ 189.5	$ 178.0	$ 363.9	$ 328.4
Income from operations	45.0	32.9	65.7	31.7
Stock-based compensation	(11.3)	(9.6)	(21.6)	(17.7)
Amortization of intangibles	(8.8)	(10.4)	(17.5)	(20.2)
Change in fair value of contingent liability			4.3	0.0
Restructuring and related (benefits) charges	0.9	(0.3)	0.6	(15.1)
Segment Measures
Information on reportable segments
Gross profit			383.1	348.4
Income from operations			120.6	107.7
Other Items
Information on reportable segments
Gross profit	(9.7)	(9.8)	(19.2)	(20.0)
Income from operations	(22.9)	(31.0)	(54.9)	(76.0)
Gross Profit
Information on reportable segments
Gross profit	189.5	178.0	363.9	328.4
Gross Profit \| Segment Measures
Information on reportable segments
Gross profit	199.2	187.8	383.1	348.4
Gross Profit \| Other Items
Information on reportable segments
Stock-based compensation	(1.0)	(0.9)	(2.0)	(1.7)
Amortization of intangibles	(8.4)	(8.5)	(16.8)	(17.9)
Other charges unrelated to core operating performance	(0.3)	(0.4)	(0.4)	(0.4)
Operating Income (Loss)
Information on reportable segments
Restructuring and related (benefits) charges	0.9	(0.3)	(0.6)	15.1
Operating Income (Loss) \| Segment Measures
Information on reportable segments
Income from operations	67.9	63.9	120.6	107.7
Operating Income (Loss) \| Other Items
Information on reportable segments
Stock-based compensation	(11.3)	(9.6)	(21.6)	(17.7)
Amortization of intangibles	(17.2)	(18.9)	(34.3)	(38.1)
Change in fair value of contingent liability	6.0	0.0	4.3	0.0
Other charges unrelated to core operating performance	$ (1.3)	$ (2.2)	(3.9)	(5.1)
Restructuring and related (benefits) charges			$ 0.0	$ (0.2)

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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