Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended					9 Months Ended		12 Months Ended
	Mar. 25, 2017	Sep. 24, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Mar. 25, 2017	Mar. 26, 2016	Jun. 25, 2016
Long Lived Assets Held-for-sale [Line Items]
Impairment of long-lived assets	$ 1,000		$ 506			$ 7,517	$ 160,153
Impairment of Long-Lived Assets to be Disposed of					$ 157,700	797	160,153	$ 160,600
Proceeds from Sale of Other Property, Plant, and Equipment						0	40,000
Gain (Loss) on Disposition of Property Plant Equipment						(9,359)	2,765
Proceeds from Divestiture of Businesses						42,199	105,000
Gain (Loss) on Disposition of Business						$ 26,620	$ 58,944
MEMS [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from Sale of Other Property, Plant, and Equipment		$ 42,200
Gain (Loss) on Disposition of Property Plant Equipment		26,600
wafter manufacturing fab [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from Sale of Other Property, Plant, and Equipment		30,000
Gain (Loss) on Disposition of Property Plant Equipment		1,600
Inventory on hand [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from Sale of Other Property, Plant, and Equipment		10,000
San Jose Wafer Fab [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from Sale of Other Property, Plant, and Equipment				$ 39,000
Gain (Loss) on Disposition of Property Plant Equipment				$ 3,800
Energy Metering Business [Member]
Long Lived Assets Held-for-sale [Line Items]
Gain (Loss) on Disposition of Business		$ 58,900