CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Cash flows from operating activities--
Net earnings	$ 141,563	$ 104,007
Adjustments to reconcile net earnings to net cash provided by operating activities--
Depreciation and amortization	31,934	35,017
Non-cash share-based compensation	11,635	8,895
Deferred taxes	13,647	2,507
Unrealized loss/(gain) on derivative financial instruments	(8)	(27)
Changes in assets and liabilities, net of acquisitions
Accounts receivable, net	(20,786)	(13,285)
Inventories, net	(10,458)	(18,758)
Prepaid expenses and other assets	6,660	(13,801)
Accounts payable	(151)	(5,419)
Accrued expenses and other liabilities	(9,654)	(15,551)
Net cash provided by operating activities	164,382	83,585
Cash flows from investing activities--
Additions to property and equipment	(10,107)	(11,056)
Proceeds from Sale of Property Held-for-sale	0	7,000
Purchase of trade name	0	5,000
Net cash (used in) investing activities	(86,792)	(385,217)
Cash flows from financing activities--
Net (repayments) proceeds under current revolving credit facilities	(63,400)	278,500
Net (repayments) proceeds under foreign bank loan	7,481	(1,208)
Proceeds from (Repayments of) Notes Payable	(26)	(23)
Repurchase of treasury stock	(44,283)	(3,586)
Excess tax benefit related to share-based compensation	24,947	19,194
Net proceeds from stock issuances	0	3,599
Net cash (used in) provided by financing activities	(75,281)	296,476
Effect of exchange rates on cash and cash equivalents	(1,051)	145
Changes in cash and cash equivalents--
Net (decrease) increase in cash and cash equivalents	1,258	(5,011)
Cash and cash equivalents at beginning of year	36,894	34,366
Cash and cash equivalents at end of quarter	38,152	29,355
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		0
Payments to Acquire Businesses, Gross	(10,240)
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 to Acquire Businesses, Gross	(15,000)	0
Distributors 2014 [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	(38,485)	0
Wunder-Bar [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	(445)	0
Viking Range Corporation [Member]
Cash flows from investing activities--
Payments for (Proceeds from) Previous Acquisition	0	361,731
Concordia [Member]
Cash flows from investing activities--
Payments to Acquire Businesses, Net of Cash Acquired	$ (12,515)	$ 0