Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 27, 2015	Dec. 28, 2014	Dec. 29, 2013
Cash flows from operating activities:
Net (loss) earnings	$ (26,215)	$ 10,953	$ (18,927)
Adjustments to reconcile net (loss) earnings to net cash provided by operating activities:
Depreciation and amortization	25,096	25,150	26,373
Amortization of debt issuance costs	433	433	2,207
Interest on financing liability	1,979	2,222	2,082
Deferred taxes	5,828	17,373	(3,565)
Stock-based compensation	5,480	5,781	6,369
Provision for losses on accounts receivable	(237)	(144)	(435)
Excess tax benefit on stock compensation	(104)	(214)	(600)
(Gain) loss on disposal of fixed assets	(22)	220	564
Litigation matters	10,265	2,200	(6,584)
Asset impairment	5,793	864	4,820
Gain on sale of subsidiary	0	0	(248)
Loss on sale of discontinued operations	0	0	13,598
Restructuring-related asset impairment	0	172	1,211
Decrease (increase) in operating assets:
Accounts receivable	10,439	26,626	12,903
Inventories	519	(14,198)	(948)
Other assets	4,412	2,879	4,947
Increase (decrease) in operating liabilities:
Accounts payable	5,397	(16,177)	1,954
Income taxes	799	(2,314)	(198)
Unearned revenues - current	(743)	(667)	(6,244)
Restructuring reserve	2,944	(1,164)	(1,598)
Other liabilities	(14,568)	5,547	(16,611)
Net cash provided by operating activities	37,495	65,542	21,070
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles	(17,952)	(17,971)	(8,946)
Net cash proceeds from the sale of discontinued operations	283	283	1,573
Net cash proceeds from the sale of subsidiary	0	0	227
Other investing activities	289	83	1,848
Net cash used in investing activities	(17,380)	(17,605)	(5,298)
Cash flows from financing activities:
Proceeds from stock issuances	1,623	1,980	4,073
Excess tax benefit on stock compensation	104	214	600
Proceeds from short-term debt	0	0	2,759
Payment of short-term debt	0	0	(2,561)
Net change in factoring and overdrafts	(83)	(94)	(877)
Proceeds from long-term debt	5,000	1,000	99,098
Payment of long-term debt	(92)	(27,235)	(112,664)
Debt issuance costs	0	0	(1,765)
Purchase of treasury stock	(6,634)	0	0
Dividend paid	(20,980)	0	0
Net cash used in financing activities	(21,062)	(24,135)	(11,337)
Effect of foreign currency rate fluctuations on cash and cash equivalents	(10,301)	(9,838)	(1,691)
Net (decrease) increase in cash and cash equivalents	(11,248)	13,964	2,744
Cash and cash equivalents:
Beginning of period	135,537	121,573	118,829
End of period	$ 124,289	$ 135,537	$ 121,573