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Discontinued Operations - Supplemental Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Operating activities:
Depreciation expense	$ 29.4	$ 38.1	$ 80.8
Amortization of other intangibles	14.0	14.6	19.5
Stock-based compensation expense	$ 33.2	42.4	47.5
Spinoff | Discontinued Operations | Lumentum
Operating activities:
Depreciation expense		3.7	43.4
Amortization of other intangibles		0.6	7.9
Stock-based compensation expense		1.6	19.4
Investing activities:
Capital expenditures		$ 5.8	$ 55.9

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- Definition

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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Amount of capital expenditure attributable to discontinued operations.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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