CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income	$ 82,698	$ 83,738	$ 63,723
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	31,356	28,335	25,295
Share-based compensation	4,875	6,253	3,970
Deferred income taxes	1,707	8,571	3,867
(Gain)/loss on disposals of plant and equipment	288	(216)	2,781
Gain on equity investment	0	(12,212)	0
Asset impairment	1,251	583	200
Foreign exchange expense	3,331	1,662	1,422
Excess tax from share-based payment arrangements	(5,153)	(5,246)	(2,495)
Changes in assets and liabilities, net of acquisitions:
Receivables	(16,729)	(9,603)	(926)
Inventory	(7,612)	(23,706)	3,923
Accounts payable and accrued expenses	2,126	5,330	6,827
Income taxes	7,009	(1,077)	3,309
Employee benefit plans	(7,586)	(5,877)	(10,769)
Other	713	(6,344)	(1,206)
Net cash flows from operating activities	98,274	70,191	99,921
Cash flows from investing activities:
Additions to property, plant, and equipment	(67,557)	(39,312)	(21,846)
Proceeds from sale of property, plant, and equipment	138	2,286	324
Additions to intangibles	(291)	(744)	(1,216)
Cash paid for acquisitions, net of cash acquired	(3,609)	(64,359)	(25,143)
Purchase of remaining redeemable noncontrolling shares	0	0	(7,056)
Additional consideration for prior acquisition	96	0	(7,765)
Cash paid for minority equity investment	(5,700)	0	0
Loan to customer	0	0	(3,318)
Proceeds from loan to customer	471	489	265
Net cash flows from investing activities	(76,452)	(101,640)	(65,755)
Cash flows from financing activities:
Proceeds from issuance of debt	70,299	71,988	19,841
Repayment of debt	(45,254)	(76,424)	(19,917)
Proceeds from issuance of common stock	14,068	15,432	8,910
Excess tax from share-based payment arrangements	5,153	5,246	2,495
Purchases of common stock	(12,364)	(21,689)	(13,910)
Dividends paid	(15,294)	(13,811)	(12,890)
Payments of contingent consideration liability	(5,555)	0	0
Net cash flows from financing activities	11,053	(19,258)	(15,471)
Effect of exchange rate changes on cash	(1,660)	708	(5,428)
Net change in cash and equivalents	31,215	(49,999)	13,267
Cash and equivalents at beginning of period	103,338	153,337	140,070
Cash and equivalents at end of period	134,553	103,338	153,337
Cash paid for income taxes	(19,062)	22,635	13,841
Cash paid for interest, net of capitalized interest of $748, $286, and $0, respectively	10,159	11,491	10,504
Non-cash items:
Additions to property, plant, and equipment, not yet paid	1,112	3,265	187
Pioneer Pump Holdings Inc
Non-cash items:
Pioneer Pump Holdings, Inc. liability for mandatory share purchase	0	22,924	0
Impo Motor Pompa Sanayi ve Ticaret A.S.
Non-cash items:
Payable to seller of Impo Motor Pompa Sanayi ve Ticaret A.S.	0	546	5,038
Payable to seller of Vertical S.p.A.	0	546	5,038
Vertical S.p.A.
Non-cash items:
Payable to seller of Impo Motor Pompa Sanayi ve Ticaret A.S.	0	0	370
Payable to seller of Vertical S.p.A.	$ 0	$ 0	$ 370