CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 44,054	$ 48,401
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	14,877	12,885
Share-based compensation	3,337	3,056
Deferred income taxes	43	6,538
Gain on disposals of plant and equipment	(9)	(408)
Gain on equity investment	0	(12,212)
Asset impairment	0	420
Foreign exchange expense	712	655
Excess tax from share-based payment arrangements	(3,675)	(1,645)
Changes in assets and liabilities, net of acquisitions:
Receivables	(48,420)	(40,269)
Inventory	(20,113)	(30,155)
Accounts payable and accrued expenses	(872)	(1,160)
Income taxes	5,231	(1,842)
Employee benefit plans	(3,029)	(2,487)
Other	2,258	(958)
Net cash flows from operating activities	(5,606)	(19,181)
Cash flows from investing activities:
Additions to property, plant, and equipment	(37,017)	(11,456)
Proceeds from sale of property, plant, and equipment	64	1,149
Additions to intangibles	90	0
Cash paid for acquisitions, net of cash acquired	0	(29,564)
Proceeds from loan to customer	236	219
Net cash flows from investing activities	(36,627)	(39,652)
Cash flows from financing activities:
Proceeds from issuance of debt	45,807	21,742
Repayment of debt	(18,576)	(18,182)
Proceeds from issuance of common stock	9,782	4,582
Excess tax from share-based payment arrangements	3,675	1,645
Purchases of common stock	(9,376)	(8,687)
Dividends paid	(7,113)	(6,549)
Payment of contingent consideration liability	(5,555)	0
Net cash flows from financing activities	18,644	(5,449)
Effect of exchange rate changes on cash	(2,661)	(2,805)
Net change in cash and equivalents	(26,250)	(67,087)
Cash and equivalents at beginning of period	103,338	153,337
Cash and equivalents at end of period	77,088	86,250
Cash paid for income taxes	7,718	12,920
Cash paid for interest, net of capitalized interest of $604 and $68, respectively	4,700	4,539
Non-cash items:
Additions to property, plant, and equipment, not yet paid	861	87
Pioneer Pump Holdings Inc [Member]
Non-cash items:
Pioneer Pump Holdings, Inc. liability for mandatory share purchase	0	22,924
Impo Motor Pompa Sanayi ve Ticaret A.S.
Non-cash items:
Payable to seller of acquired entities	$ 0	$ 290