Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Sep. 30, 2011 Successor	Apr. 19, 2011 Predecessor	Oct. 01, 2010 Predecessor	Oct. 02, 2009 Predecessor
Cash flows from operating activities:
Net (loss) income	$ (107,249)	$ (42,134)	$ 20,234	$ (18,808)
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation	1,713	1,425	3,409	8,198
Gain on sale of business				(39,170)
Amortization of intangible assets	9,139	621	1,249	7,406
Reversal of provision for bad debts, net	(245)		(85)	(325)
Charges for inventory provisions, net	4,607	449	80	(806)
Release of inventory step-up upon shipment	23,036
Amortization of debt (premium) discount	(2,004)	419	8,008	14,015
Asset impairments	41,058			10,835
Other-than-temporary impairment of marketable and non-marketable securities				2,770
Deferred income taxes	(3,019)	19	(1,981)	(15)
Stock-based compensation		4,057	6,649	5,720
Decrease (increase) in fair value of derivative instruments	9,509	9,469	(15,632)	(4,002)
(Gains) losses on equity method investments	(429)	(1,495)	172	3,798
Loss on termination of swap			1,728	1,087
Loss on extinguishment of debt			18,583
Loss on resolution of pre-acquisition contingency				1,575
Net gain on sale of equity securities	(5)	(1,393)	(16,054)	(1,856)
Gain on sale of intellectual property		(1,249)		(12,858)
Currency translation adjustment recognized in net (loss) income			1,304
Other items, net	(189)	(276)	(1,221)	4,149
Changes in assets and liabilities:
Receivables	6,763	6,071	(1,268)	19,212
Inventories	237	(6,291)	389	15,871
Accounts payable	(5,681)	1,576	(12,122)	(10,341)
Accrued expenses and other current liabilities	1,773	(5,269)	(4,531)	(17,080)
Other, net	5,508	2,764	(4,433)	19,101
Net cash (used in) provided by operating activities	(15,478)	(31,237)	4,478	8,476
Cash flows from investing activities:
Purchases of property, plant and equipment	(858)	(729)	(2,041)	(686)
Acquisition of Predecessor	(203,865)
Proceeds from sale of real estate, net of closing costs of $439		21,087
Proceeds from sale of property, plant and equipment	15	52	741	134
Proceeds from resolution of divestiture/acquisition contingencies			6,750	10,446
Payments for acquisitions, net of cash acquired			(625)	(4,207)
Proceeds from sales of marketable securities		20,000	91,889	2,310
Purchases of marketable securities			(95,334)
Proceeds from sales of equity securities	23	802
Restricted cash	3	533	9,323	18,300
Net proceeds from sale of business				44,559
Proceeds from sale of intellectual property		1,249		14,548
Return of capital from equity method investments			748
Net cash (used in) provided by investing activities	(204,682)	42,994	11,451	85,404
Cash flows from financing activities:
Net repayments of short-term debt		(11,278)	(29,136)	(12,365)
Extinguishment of debt			(288,748)	(80,000)
Proceeds from common stock offerings, net of expenses of $4,881 and $1,514			62,510	18,436
Proceeds from issuance of senior secured notes, net of expenses of $4,920			168,440
Proceeds from issuance of common stock under employee stock plans		95	124	28
Employee income tax paid related to vesting of restricted stock units		(689)	(38)	(258)
Interest rate swap security deposit				2,517
Payment for swap termination				(2,815)
Repayment of shareholder notes receivable				79
Advances from Gold Holdings, Inc.	(6,443)	6,443
Equity contributions	203,865
Net cash provided by (used in) financing activities	197,422	(5,429)	(86,848)	(74,378)
Net increase in cash and cash equivalents	(22,738)	6,328	(70,919)	19,502
Cash and cash equivalents at beginning of period	60,794	54,466	125,385	105,883
Cash and cash equivalents at end of period	$ 38,056	$ 60,794	$ 54,466	$ 125,385