Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net earnings (loss)	$ 9,725	$ (20,913)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	12,490	13,666
Amortization of debt issuance costs	217	821
Interest on financing liability	1,127	1,013
Deferred taxes	(194)	(768)
Stock-based compensation	2,898	3,859
Provision for losses on accounts receivable	473	(522)
Excess tax benefit on stock compensation	(79)	(122)
Loss on disposal of fixed assets	81	375
Litigation settlement	0	(6,584)
Gain on sale of subsidiary	0	(248)
Loss on sale of discontinued operations	0	13,024
Restructuring related asset impairment	172	731
Decrease (increase) in operating assets, net of the effects of acquired companies:
Accounts receivable	26,398	37,308
Inventories	(16,527)	(2,529)
Other assets	3,357	148
(Decrease) increase in operating liabilities, net of the effects of acquired companies:
Accounts payable	(7,625)	8,267
Income taxes	(2,341)	(2,329)
Unearned revenues - current	985	(3,840)
Restructuring reserve	(2,437)	(5,059)
Other liabilities	(7,421)	(19,339)
Net cash provided by operating activities	21,299	16,959
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles	(6,774)	(3,310)
Cash proceeds from the sale of discontinued operations	142	1,290
Cash proceeds from the sale of subsidiary	0	227
Other investing activities	44	921
Net cash used in investing activities	(6,588)	(872)
Cash flows from financing activities:
Proceeds from stock issuances	951	1,545
Excess tax benefit on stock compensation	79	122
Proceeds from short-term debt	0	2,759
Payment of short-term debt	0	(2,561)
Net change in factoring and bank overdrafts	(107)	(339)
Proceeds from long-term debt	1,043	0
Payment of long-term debt	(7,198)	(10,113)
Net cash used in financing activities	(5,232)	(8,587)
Effect of foreign currency rate fluctuations on cash and cash equivalents	374	(3,204)
Net increase in cash and cash equivalents	9,853	4,296
Cash and cash equivalents:
Beginning of period	121,573	118,829
End of period	$ 131,426	$ 123,125