Supplemental Financial Information (Details 1) (USD $) In Thousands, unless otherwise specified				9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended
	Mar. 30, 2012	Jun. 29, 2012 Successor [Member]	Sep. 30, 2011 Successor [Member]	Jun. 29, 2012 Successor [Member] Customer relationships [Member]	Sep. 30, 2011 Successor [Member] Customer relationships [Member]	Jun. 29, 2012 Successor [Member] Backlog [Member]	Sep. 30, 2011 Successor [Member] Backlog [Member]	Jun. 29, 2012 Successor [Member] Patents [Member]	Sep. 30, 2011 Successor [Member] Patents [Member]	Jun. 29, 2012 Successor [Member] R & D assets [Member]	Sep. 30, 2011 Successor [Member] R & D assets [Member]	Jun. 29, 2012 Successor [Member] Non-compete agreement [Member]	Sep. 30, 2011 Successor [Member] Non-compete agreement [Member]	Jun. 29, 2012 Successor [Member] In-process research and development [Member]	Sep. 30, 2011 Successor [Member] In-process research and development [Member]	Jun. 29, 2012 Successor [Member] Trade name and trademarks [Member]	Sep. 30, 2011 Successor [Member] Trade name and trademarks [Member]
Intangible assets
Weighted Average Life (yrs)				7 years		6 months		8 years 3 months 18 days		3 years 9 months 18 days		1 year
Gross Carrying Amount				$ 31,172	$ 50,300	$ 4,200	$ 4,200	$ 2,900	$ 2,900	$ 892		$ 100	$ 100	$ 26,850	$ 46,000	$ 11,450	$ 15,100
Transfers		2,376	892							2,376	892			(2,376)	(892)
Accumulated Amortization		(14,457)	(9,139)	(9,336)	(4,682)	(4,200)	(4,200)	(420)	(158)	(401)	(54)	(100)	(45)
Impairment		(15,449)	(19,128)	(15,449)	(19,128)									(6,812)	(18,258)	(1,090)	(3,650)
Book Value	2,800	11,734	30,125	6,387	26,490			2,480	2,742	2,867	838		55	17,662	26,850	10,360	11,450
Intangible assets subject to amortization		39,264	57,500
Transfers not subject to amortization		(2,376)	(892)
Impairment not subject to amortization		(7,902)	(21,908)
Book Value not subject to amortization		28,022	38,300
Intangible assets not subject to amortization		$ 38,300	$ 61,100