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Goodwill - Gross goodwill and accumulated impairment (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jul. 02, 2016	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Gross goodwill balance		$ 995.3	$ 810.6
Accumulated impairment losses		(659.0)	(659.0)
Net goodwill balance	$ 152.1	336.3	151.6	$ 152.1
Impairment charge	$ 91.4	$ 0.0	$ 0.0	$ 91.4

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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