Condensed consolidated statements of cash flows (USD $) In Thousands	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
Operating activities:
Net income	$ 55,188	$ 33,490
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	16,246	15,807
Amortization expense	8,276	8,209
Amortization of loan acquisition costs	1,224	1,294
Stock-based compensation	2,093	1,058
Loss on disposal of property, plant and equipment	166	51
Foreign currency (gain) loss	468	(507)
Deferred income taxes	15,328	1,630
Business restructuring		(877)
Gain on sale of Italian subsidiary		(3,327)
Changes in operating assets and liabilities:
Accounts receivable	(11,997)	2,382
Inventories	(7,742)	(4,273)
Prepaid and other current assets	(2,783)	292
Accounts payable and accrued liabilities	(11,532)	11,964
Income taxes payable	4,464	4,063
Other, net	503	1,905
Net cash provided by operating activities	69,902	73,161
Investing activities:
Purchases of property, plant and equipment, net	(70,944)	(24,501)
Payments associated with the stock sale of Italian subsidiary, net		(14,908)
Net cash used in investing activities	(70,944)	(39,409)
Financing activities:
Payments for loan acquisition costs	(540)
Principal payments on debt	(2,673)	(8,973)
Proceeds from stock option exercises	5,008	845
Noncontrolling interest	519
Net cash provided by (used in) financing activities	2,314	(8,128)
Effect of exchange rate changes on cash and cash equivalents	4,589	(4,878)
Net increase in cash and cash equivalents	5,861	20,746
Cash and cash equivalents at beginning of period	89,955	114,975
Cash and cash equivalents at end of period	$ 95,816	$ 135,721