Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Millions		6 Months Ended	12 Months Ended
		Dec. 31, 2015	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance at Beginning of Period		$ 2.4	$ 2.7	$ 2.1	$ 2.6
Valuation Allowances and Reserves, Net Bad Debt Expenses		2.4	0.6	(0.5)	0.0
Valuation Allowances and Reserves, Deductions	[1]	(1.8)	0.9	1.1	(0.4)
Valuation Allowances and Reserves, Balance at End of Period		$ 3.0	$ 2.4	$ 2.7	$ 2.1

[1] (1) Includes effects of changes in foreign exchange rates