Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Sep. 24, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 25, 2016
Long Lived Assets Held-for-sale [Line Items]
Asset Impairment Charges	$ 6,100			$ 160,582
Impairment of Long-Lived Assets to be Disposed of	6,134		$ 157,697
Proceeds from Sale of Other Property, Plant, and Equipment	25,922		0
Gain (Loss) on Disposition of Property Plant Equipment	(652)		1,346
Gain (Loss) on Disposition of Business	26,620		$ 0
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