Goodwill and Intangible Assets, Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 27, 2014	Sep. 29, 2012	Dec. 27, 2014	Dec. 29, 2012	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Goodwill [Line Items]
Goodwill, Impairment Loss			$ 84,100		$ 84,110	$ 0	$ 0
Impairment of long-lived assets to be disposed of		$ 2,700		$ 22,200	67,000	11,600
Impairment of Intangible Assets (Excluding Goodwill)			8,900
Goodwill [Roll Forward]
Balance			$ 596,637		596,637	422,004
Goodwill, Acquired During Period					(866)	175,443
Adjustments					(84,124)	(810)
Balance					$ 511,647	$ 596,637	$ 422,004
Sensing Solutions [Member]
Goodwill [Line Items]
Impairment of long-lived assets to be disposed of	$ 45,200