Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 25, 2012	Jun. 30, 2013	Jun. 24, 2012	Sep. 29, 2013	Sep. 23, 2012	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Cash flows from operating activities:
Net loss	$ (7,481)	$ (11,388)	$ (20,913)	$ (106,737)	$ (13,781)	$ (112,546)	$ (18,927)	$ (146,979)	$ (83,561)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	6,962	8,313	13,666	15,940	20,094	23,190	26,373	30,369	36,278
Amortization of debt issuance costs	347	267	821	535	1,221	1,994	2,207	2,345	1,070
Interest on financing liability	505	479	1,013	941	1,536	1,404	2,082	1,893	977
Deferred taxes	(393)	(1,028)	(768)	(1,219)	(858)	(1,449)	(3,565)	(2,930)	40,888
Stock-based compensation	1,972	1,867	3,859	2,814	5,145	3,737	6,369	4,753	7,408
Provision for losses on accounts receivable	(699)	1,390	(522)	3,296	(638)	3,400	(435)	3,024	3,765
Excess tax benefit on stock compensation	(23)	73	(122)	(97)	(594)	(97)	(600)	(98)	(634)
Loss (gain) on disposal of fixed assets	170	(68)	375	(295)	343	(1,069)	564	(1,326)	106
Litigation settlement	(6,584)	0	(6,584)		(6,584)		(6,584)	295	943
Asset impairment				672		1,442	4,820	1,771	3,373
Goodwill impairment				64,807		64,807	0	106,348	3,411
Gain on sale of subsidiary			(248)		(248)		(248)	(1,657)	0
Loss on sale of discontinued operations			13,024		13,043		13,598	15	0
Restructuring-related asset impairment	731		731	5,297	731	6,156	1,211	6,506	7,843
Decrease (increase) in operating assets, net of the effects of acquired companies:
Accounts receivable	34,851	44,826	37,308	34,151	20,702	33,065	12,903	26,317	(25,757)
Inventories	(1,254)	(3,091)	(2,529)	7,756	(12,441)	19,981	(948)	37,947	(23,947)
Other assets	6,764	(3,950)	148	(1,198)	(6,912)	633	4,947	7,828	(15,015)
Increase (decrease) in operating liabilities, net of the effects of acquired companies:
Accounts payable	(2,031)	(20,437)	8,267	(12,117)	2,326	(4,562)	1,954	(2,185)	1,064
Income taxes	(2,462)	(3,594)	(2,329)	(3,325)	(1,950)	(3,319)	(198)	(1,502)	(506)
Unearned revenues - current	(4,679)	(1,201)	(3,840)	(8,653)	(4,424)	(9,635)	(6,244)	(6,923)	9,351
Restructuring reserve	(3,063)	(5,658)	(5,059)	2,125	(5,923)	(1,983)	(1,598)	(8,178)	10,544
Other liabilities	(10,590)	(120)	(19,339)	6,063	(14,995)	(3,806)	(16,611)	4,732	2,326
Net cash provided by operating activities	13,043	6,680	16,959	10,756	(4,207)	21,343	21,070	62,365	(20,073)
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles	(1,363)	(5,365)	(3,310)	(8,383)	(5,955)	(10,415)	(8,946)	(12,401)	(22,981)
Acquisitions of businesses, net of cash acquired							0	0	(75,937)
Change in restricted cash		25		39		291	0	291	15
Proceeds from sale of real estate						4,560	0	4,560	0
Net cash proceeds from the sale of discontinued operations			1,290		1,502		1,573	1,180	0
Net cash proceeds from the sale of subsidiary			227		227		227	2,250	0
Other investing activities	440	288	921	518	1,151	1,148	1,848	1,671	623
Net cash used in investing activities	(923)	(5,052)	(872)	(7,826)	(3,075)	(4,416)	(5,298)	(2,449)	(98,280)
Cash flows from financing activities:
Proceeds from stock issuances	600	521	1,545	623	2,980	922	4,073	1,653	2,210
Excess tax benefit on stock compensation	23	(73)	122	97	594	97	600	98	634
Proceeds from short-term debt	2,272	2,837	2,759	2,863	2,759	3,451	2,759	3,467	8,565
Payment of short-term debt	(248)	(2,613)	(2,561)	(10,765)	(2,561)	(11,481)	(2,561)	(11,869)	(7,895)
Net change in factoring and bank overdrafts	(431)	(633)	(339)	(1,475)	(441)	(9,121)	(877)	(8,932)	(4,364)
Proceeds from long-term debt		2,000		3,000		3,000	99,098	3,000	74,117
Payment of long-term debt	(71)	(5,321)	(10,113)	(5,380)	(17,138)	(20,439)	(112,664)	(20,498)	(67,370)
Proceeds from financing liability							0	0	31,407
Debt issuance costs						(2,113)	(1,765)	(2,085)	0
Net cash (used in) provided by financing activities	2,145	(3,282)	(8,587)	(11,037)	(13,807)	(35,684)	(11,337)	(35,166)	37,304
Effect of foreign currency rate fluctuations on cash and cash equivalents	(2,015)	1,626	(3,204)	(960)	(1,544)	549	(1,691)	747	1,908
Net increase (decrease) in cash and cash equivalents	12,250	(28)	4,296	(9,067)	(22,633)	(18,208)	2,744	25,497	(79,141)
Cash and cash equivalents:
Beginning of period	118,829	93,332	118,829	93,332	118,829	93,332	118,829	93,332	172,473
End of period	$ 131,079	$ 93,304	$ 123,125	$ 84,265	$ 96,196	$ 75,124	$ 121,573	$ 118,829	$ 93,332