CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Cash flows from operating activities--
Net earnings	$ 284,216	$ 191,610	$ 193,312
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	58,234	54,074	41,252
Non-cash share-based compensation	27,905	15,864	16,690
Deferred income taxes	21,363	1,919	15,341
Changes in assets and liabilities, net of acquisitions
Accounts receivable, net	(33,908)	17,112	(20,577)
Inventories, net	(22,246)	7,826	(2,064)
Prepaid expenses and other assets	(11,550)	(5,685)	(384)
Accounts payable	(7,730)	(18,036)	(7,872)
Accrued expenses and other liabilities	(22,174)	(15,092)	(1,816)
Net cash provided by operating activities	294,110	249,592	233,882
Cash flows from investing activities--
Additions to property and equipment	(24,817)	(22,362)	(13,143)
Payments to Acquire Businesses, Net of Cash Acquired	(210,921)	(348,625)	(219,915)
Net cash (used in) investing activities	(235,738)	(370,987)	(233,058)
Cash flows from financing activities--
Net (repayments) proceeds under revolving credit facilities	(2,482)	145,500	18,900
Net (repayments) proceeds under foreign bank loan	(26,821)	(6,058)	8,815
Repayments of Notes Payable	(35)	(262)	(35)
Repurchase of treasury stock	(4,418)	(4,836)	(44,283)
Payments of Debt Issuance Costs	(6,310)	0	0
Excess tax benefit related to share-based compensation	(1,304)	2,414	25,490
Net cash (used in) provided by financing activities	(41,370)	136,758	8,887
Effect of exchange rates on cash and cash equivalents	(4,045)	(3,780)	(2,660)
Changes in cash and cash equivalents--
Net (decrease) increase in cash and cash equivalents	12,957	11,583	7,051
Cash and cash equivalents at beginning of year	55,528	43,945
Cash and cash equivalents at end of quarter	$ 68,485	$ 55,528	$ 43,945