Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013
Cash flows from operating activities:
Net earnings (loss)	$ 5,650	$ (13,781)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	18,712	20,094
Amortization of debt issuance costs	325	1,221
Interest on financing liability	1,686	1,536
Deferred taxes	11,329	(858)
Stock-based compensation	4,349	5,145
Provision for losses on accounts receivable	75	(638)
Excess tax benefit on stock compensation	(6)	(594)
Loss on disposal of fixed assets	105	343
Litigation settlement	0	(6,584)
Gain on sale of subsidiary	0	(248)
Loss on sale of discontinued operations	0	13,043
Restructuring related asset impairment	172	731
Decrease (increase) in operating assets, net of the effects of acquired companies:
Accounts receivable	34,653	20,702
Inventories	(19,797)	(12,441)
Other assets	4,678	(6,912)
(Decrease) increase in operating liabilities, net of the effects of acquired companies:
Accounts payable	(8,844)	2,326
Income taxes	(987)	(1,950)
Unearned revenues - current	(131)	(4,424)
Restructuring reserve	(3,658)	(5,923)
Other liabilities	(6,417)	(14,995)
Net cash provided by (used in) operating activities	41,894	(4,207)
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles	(12,833)	(5,955)
Cash proceeds from the sale of discontinued operations	212	1,502
Cash proceeds from the sale of subsidiary	0	227
Other investing activities	77	1,151
Net cash used in investing activities	(12,544)	(3,075)
Cash flows from financing activities:
Proceeds from stock issuances	1,378	2,980
Excess tax benefit on stock compensation	6	594
Proceeds from short-term debt	0	2,759
Payment of short-term debt	0	(2,561)
Net change in factoring and bank overdrafts	(110)	(441)
Proceeds from long-term debt	1,000	0
Payment of long-term debt	(7,217)	(17,138)
Net cash used in financing activities	(4,943)	(13,807)
Effect of foreign currency rate fluctuations on cash and cash equivalents	(4,471)	(1,544)
Net increase (decrease) in cash and cash equivalents	19,936	(22,633)
Cash and cash equivalents:
Beginning of period	121,573	118,829
End of period	$ 141,509	$ 96,196