Summary Of Significant Accounting Polices (Consolidated Statements Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended				12 Months Ended
	Sep. 23, 2012		Sep. 25, 2011		Dec. 25, 2011
Cash flows from operating activities:
Net loss	$ (110,841)		$ (47,465)		$ (66,626)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	25,184		27,367
Deferred taxes	(967)		48,045
Stock-based compensation	3,737		6,208
Provision for losses on accounts receivable	3,400		2,237
Excess tax benefit on stock compensation	(97)		(598)
Gain on disposal of fixed assets	(1,069)		(19)
Restructuring related asset impairment	6,156		7,479
Increase in current assets, net of the effects of acquired companies:
Accounts receivable	32,875		(2,035)
Inventories	19,634		(35,329)
Other current assets	633		(29,507)
Increase (decrease) in current liabilities, net of the effects of acquired companies:
Accounts payable	(4,562)		4,242
Income taxes	(3,319)		(2,869)
Unearned revenues	(10,143)		11,798
Restructuring reserve	(1,983)		7,526
Other current and accrued liabilities	(3,696)		7,855
Net cash provided by operating activities	21,191		4,935
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles	(10,415)		(14,424)
Acquisitions of businesses, net of cash acquired	0		(75,937)
Change in restricted cash	291		(82)
Other investing activities	1,148		408
Net cash used in investing activities	(4,416)		(90,035)
Cash flows from financing activities:
Proceeds from stock issuances	922		2,336
Excess tax benefit on stock compensation	97		598
Proceeds from short-term debt	3,451		16
Payment of short-term debt	(11,481)		(1,612)
Net change in factoring and bank overdrafts	(9,121)		(2,391)
Proceeds from long-term debt	3,000		63,750
Payment of long-term debt	(20,439)		(47,701)
Net cash (used in) provided by financing activities	(35,684)		14,996
Effect of foreign currency rate fluctuations on cash and cash equivalents	552		4,031
Net decrease in cash and cash equivalents	(18,357)		(66,073)
Cash and cash equivalents:
Beginning of period	93,481	[1]	172,473		172,473
End of period	75,124		106,400	[1]	93,481	[1]
As Previously Reported [Member]
Cash flows from operating activities:
Net loss			(49,000)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization			27,367
Deferred taxes			47,530
Stock-based compensation			6,208
Provision for losses on accounts receivable			2,237
Excess tax benefit on stock compensation			(598)
Gain on disposal of fixed assets			(19)
Restructuring related asset impairment			7,479
Increase in current assets, net of the effects of acquired companies:
Accounts receivable			(1,850)
Inventories			(35,199)
Other current assets			(29,458)
Increase (decrease) in current liabilities, net of the effects of acquired companies:
Accounts payable			4,405
Income taxes			(2,850)
Unearned revenues			11,798
Restructuring reserve			7,526
Other current and accrued liabilities			7,150
Net cash provided by operating activities			2,726
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles			(14,424)
Acquisitions of businesses, net of cash acquired			(75,937)
Change in restricted cash			(82)
Other investing activities			408
Net cash used in investing activities			(90,035)
Cash flows from financing activities:
Proceeds from stock issuances			2,336
Excess tax benefit on stock compensation			598
Proceeds from short-term debt			16
Payment of short-term debt			(1,612)
Net change in factoring and bank overdrafts			(2,391)
Proceeds from long-term debt			63,750
Payment of long-term debt			(47,701)
Net cash (used in) provided by financing activities			14,996
Effect of foreign currency rate fluctuations on cash and cash equivalents			4,116
Net decrease in cash and cash equivalents			(68,197)
Cash and cash equivalents:
Beginning of period			173,802		173,802
End of period			105,605
As Revised in this Quarterly Report on Form 10-Q [Member]
Cash flows from operating activities:
Net loss			(47,465)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization			27,367
Deferred taxes			48,045
Stock-based compensation			6,208
Provision for losses on accounts receivable			2,237
Excess tax benefit on stock compensation			(598)
Gain on disposal of fixed assets			(19)
Restructuring related asset impairment			7,479
Increase in current assets, net of the effects of acquired companies:
Accounts receivable			(2,035)
Inventories			(35,329)
Other current assets			(29,507)
Increase (decrease) in current liabilities, net of the effects of acquired companies:
Accounts payable			4,242
Income taxes			(2,869)
Unearned revenues			11,798
Restructuring reserve			7,526
Other current and accrued liabilities			7,855
Net cash provided by operating activities			4,935
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles			(14,424)
Acquisitions of businesses, net of cash acquired			(75,937)
Change in restricted cash			(82)
Other investing activities			408
Net cash used in investing activities			(90,035)
Cash flows from financing activities:
Proceeds from stock issuances			2,336
Excess tax benefit on stock compensation			598
Proceeds from short-term debt			16
Payment of short-term debt			(1,612)
Net change in factoring and bank overdrafts			(2,391)
Proceeds from long-term debt			63,750
Payment of long-term debt			(47,701)
Net cash (used in) provided by financing activities			14,996
Effect of foreign currency rate fluctuations on cash and cash equivalents			4,031
Net decrease in cash and cash equivalents			(66,073)
Cash and cash equivalents:
Beginning of period			172,473		172,473
End of period			$ 106,400

[1] Derived from the Company’s audited Consolidated Financial Statements at December 25, 2011.