CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Cash flows from operating activities--
Net earnings	$ 81,850	$ 63,065
Adjustments to reconcile net earnings to net cash provided by operating activities--
Depreciation and amortization	21,314	25,817
Non-cash share-based compensation	6,696	5,930
Deferred taxes	13,676	1,822
Unrealized loss/(gain) on derivative financial instruments	17	(34)
Changes in assets and liabilities, net of acquisitions
Accounts receivable, net	(20,297)	(11,817)
Inventories, net	(10,581)	(10,596)
Prepaid expenses and other assets	(8,140)	(21,592)
Accounts payable	3,818	(7,000)
Accrued expenses and other liabilities	(26,680)	(21,577)
Net cash provided by operating activities	61,673	24,018
Cash flows from investing activities--
Additions to property and equipment	(6,986)	(8,096)
Proceeds from Sale of Property Held-for-sale	0	7,000
Purchase of trade name	0	5,000
Net cash (used in) investing activities	(67,711)	(393,483)
Cash flows from financing activities--
Net (repayments) proceeds under current revolving credit facilities	14,400	359,300
Net (repayments) proceeds under foreign bank loan	6,667	(1,307)
Proceeds from (Repayments of) Notes Payable	(18)	(15)
Repurchase of treasury stock	(44,283)	(1,731)
Debt issuance costs	0	(11)
Excess tax benefit related to share-based compensation	24,986	11,115
Net proceeds from stock issuances	0	2,986
Net cash (used in) provided by financing activities	1,752	370,337
Effect of exchange rates on cash and cash equivalents	(350)	(832)
Changes in cash and cash equivalents--
Net (decrease) increase in cash and cash equivalents	(4,636)	40
Cash and cash equivalents at beginning of year	36,894	34,366
Cash and cash equivalents at end of quarter	32,258	34,406
Distributors [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	0	(14,916)
Market Forge Industries, Inc [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	7,240	0
Stewart [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	0	1,303
Cooktek L L C [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	0	(817)
PES [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	15,000	0
Distributors 2014 [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	38,485	0
Viking Range Corporation [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	$ 0	$ (372,957)