Operating Segments and Geographic Information - Segment Reconciling Items (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Information on reportable segments
Gross profit	$ 116.1	$ 124.7	$ 232.3	$ 249.8
Amortization of intangibles	(4.1)	(3.7)	(8.2)	(7.5)
Operating income	3.7	6.7	13.7	16.8
Stock-based compensation	(7.7)	(9.1)	(15.2)	(17.8)
Amortization of intangibles	(3.4)	(3.4)	(6.5)	(6.9)
Restructuring and related charges	(2.5)	(1.8)	(4.0)	(1.8)
Segment Measures
Information on reportable segments
Gross profit	122.4	129.9	244.9	260.2
Operating income	25.4	26.9	54.8	54.4
Reconciling Items
Information on reportable segments
Gross profit	(6.3)	(5.2)	(12.6)	(10.4)
Stock-based compensation	(0.7)	(1.0)	(1.6)	(2.0)
Amortization of intangibles	(4.1)	(3.7)	(8.2)	(7.5)
Other charges unrelated to core operating performance	(1.5)	(0.5)	(2.8)	(0.9)
Operating income	(21.7)	(20.2)	(41.1)	(37.6)
Stock-based compensation	(7.7)	(9.1)	(15.2)	(17.8)
Amortization of intangibles	(7.5)	(7.1)	(14.7)	(14.4)
Other charges unrelated to core operating performance	(4.0)	(2.2)	(7.2)	(3.6)
Restructuring and related charges	$ (2.5)	$ (1.8)	$ (4.0)	$ (1.8)

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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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Other Charges Related to Non Recurring Activities Included In Operating Income (Loss)

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