Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 26, 2011	Jun. 27, 2010
Cash flows from operating activities:
Net earnings	$ 211	$ 12,470
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	17,861	17,200
Deferred taxes	1,812	596
Stock-based compensation	4,779	4,496
Provision for losses on accounts receivable	889	443
Excess tax benefit on stock compensation	(594)	(1,259)
Loss on disposal of fixed assets	5	62
(Increase) decrease in current assets, net of the effects of acquired companies:
Accounts receivable	(3,043)	14,064
Inventories	(21,245)	(23,224)
Other current assets	(10,894)	(3,206)
Increase (decrease) in current liabilities, net of the effects of acquired companies:
Accounts payable	4,526	10,805
Income taxes	(5,331)	(4,882)
Unearned revenues	16,163	(3,788)
Restructuring reserve	(62)	(1,712)
Other current and accrued liabilities	28,152	(12,900)
Net cash provided by operating activities	33,229	9,165
Cash flows from investing activities:
Acquisition of property, plant, and equipment and intangibles	(9,416)	(8,857)
Acquisitions of businesses, net of cash acquired	(48,937)
Change in restricted cash	(355)	(336)
Other investing activities	192	78
Net cash (used in) investing activities	(58,516)	(9,115)
Cash flows from financing activities:
Proceeds from stock issuances	1,569	3,980
Excess tax benefit on stock compensation	594	1,259
Proceeds from short-term debt	196	5,411
Payment of short-term debt	(877)	(3,979)
Net change in factoring and bank overdrafts	47	1,833
Proceeds from long-term debt	31,117	6,105
Payment of long-term debt	(5,310)	(1,890)
Debt issuance costs		(280)
Net cash provided by financing activities	27,336	12,439
Effect of foreign currency rate fluctuations on cash and cash equivalents	7,980	(11,855)
Net increase in cash and cash equivalents	10,029	634
Cash and cash equivalents:
Beginning of period	173,802	162,097
End of period	$ 183,831	$ 162,731