Summary Of Significant Accounting Polices (Consolidated Statements Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended				12 Months Ended
	Jun. 24, 2012		Jun. 26, 2011		Dec. 25, 2011
Cash flows from operating activities:
Net (loss) earnings	$ (105,456)		$ 1,149		$ (66,626)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	16,475		17,861
Deferred taxes	(916)		2,127
Stock-based compensation	2,814		4,779
Provision for losses on accounts receivable	3,296		889
Excess tax benefit on stock compensation	(97)		(594)
Loss on disposal of fixed assets	(295)		5
(Increase) decrease in current assets, net of the effects of acquired companies:
Accounts receivable	33,961		(3,056)
Inventories	7,357		(21,352)
Other current assets	(1,198)		(11,011)
Increase (decrease) in current liabilities, net of the effects of acquired companies:
Accounts payable	(12,117)		4,300
Income taxes	(3,325)		(5,348)
Unearned revenues	(9,166)		16,163
Restructuring reserve	2,125		(62)
Other current and accrued liabilities	6,371		28,498
Net cash provided by operating activities	10,605		34,348
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles	(8,383)		(9,416)
Acquisitions of businesses, net of cash acquired	0		(48,937)
Change in restricted cash	39		(355)
Other investing activities	518		192
Net cash used in investing activities	(7,826)		(58,516)
Cash flows from financing activities:
Proceeds from stock issuances	623		1,569
Excess tax benefit on stock compensation	97		594
Proceeds from short-term debt	2,863		196
Payment of short-term debt	(10,765)		(877)
Net change in factoring and bank overdrafts	(1,475)		47
Proceeds from long-term debt	3,000		31,117
Payment of long-term debt	(5,380)		(5,310)
Net cash (used in) provided by financing activities	(11,037)		27,336
Effect of foreign currency rate fluctuations on cash and cash equivalents	(958)		7,940
Net (decrease) increase in cash and cash equivalents	(9,216)		11,108
Cash and cash equivalents:
Beginning of period	93,481	[1]	172,473		172,473
End of period	84,265		183,581	[1]	93,481	[1]
As Previously Reported [Member]
Cash flows from operating activities:
Net (loss) earnings			211
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization			17,861
Deferred taxes			1,812
Stock-based compensation			4,779
Provision for losses on accounts receivable			889
Excess tax benefit on stock compensation			(594)
Loss on disposal of fixed assets			5
(Increase) decrease in current assets, net of the effects of acquired companies:
Accounts receivable			(3,043)
Inventories			(21,245)
Other current assets			(10,894)
Increase (decrease) in current liabilities, net of the effects of acquired companies:
Accounts payable			4,526
Income taxes			(5,331)
Unearned revenues			16,163
Restructuring reserve			(62)
Other current and accrued liabilities			28,152
Net cash provided by operating activities			33,229
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles			(9,416)
Acquisitions of businesses, net of cash acquired			(48,937)
Change in restricted cash			(355)
Other investing activities			192
Net cash used in investing activities			(58,516)
Cash flows from financing activities:
Proceeds from stock issuances			1,569
Excess tax benefit on stock compensation			594
Proceeds from short-term debt			196
Payment of short-term debt			(877)
Net change in factoring and bank overdrafts			47
Proceeds from long-term debt			31,117
Payment of long-term debt			(5,310)
Net cash (used in) provided by financing activities			27,336
Effect of foreign currency rate fluctuations on cash and cash equivalents			7,980
Net (decrease) increase in cash and cash equivalents			10,029
Cash and cash equivalents:
Beginning of period			173,802		173,802
End of period			183,831
As Revised in this Quarterly Report on Form 10-Q [Member]
Cash flows from operating activities:
Net (loss) earnings			1,149
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization			17,861
Deferred taxes			2,127
Stock-based compensation			4,779
Provision for losses on accounts receivable			889
Excess tax benefit on stock compensation			(594)
Loss on disposal of fixed assets			5
(Increase) decrease in current assets, net of the effects of acquired companies:
Accounts receivable			(3,056)
Inventories			(21,352)
Other current assets			(11,011)
Increase (decrease) in current liabilities, net of the effects of acquired companies:
Accounts payable			4,300
Income taxes			(5,348)
Unearned revenues			16,163
Restructuring reserve			(62)
Other current and accrued liabilities			28,498
Net cash provided by operating activities			34,348
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles			(9,416)
Acquisitions of businesses, net of cash acquired			(48,937)
Change in restricted cash			(355)
Other investing activities			192
Net cash used in investing activities			(58,516)
Cash flows from financing activities:
Proceeds from stock issuances			1,569
Excess tax benefit on stock compensation			594
Proceeds from short-term debt			196
Payment of short-term debt			(877)
Net change in factoring and bank overdrafts			47
Proceeds from long-term debt			31,117
Payment of long-term debt			(5,310)
Net cash (used in) provided by financing activities			27,336
Effect of foreign currency rate fluctuations on cash and cash equivalents			7,940
Net (decrease) increase in cash and cash equivalents			11,108
Cash and cash equivalents:
Beginning of period			172,473		172,473
End of period			$ 183,581

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