CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		3 Months Ended
		Mar. 30, 2019	Mar. 31, 2018
Cash flows from operating activities--
Net earnings		$ 69,013	$ 65,420
Adjustments to reconcile net earnings to net cash provided by operating activities--
Depreciation and amortization expense	[1]	25,514	20,024
Non-cash share-based compensation		1,069	145
Deferred income taxes		984	2,568
Changes in assets and liabilities, net of acquisitions
Accounts receivable, net		11,743	1,041
Inventories, net		(54,532)	(9,129)
Prepaid expenses and other assets		7,036	19,326
Accounts payable		4,573	(3,404)
Accrued expenses and other liabilities		(31,452)	(51,243)
Net cash provided by operating activities		33,948	44,748
Cash flows from investing activities--
Additions to property and equipment		(8,095)	(16,657)
Purchase of tradename		0	(5,399)
Acquisitions, net of cash acquired		(12,397)	(29,459)
Net cash (used in) investing activities		(20,492)	(51,515)
Cash flows from financing activities--
Proceeds under Credit Facility		103,957	234,344
Repayments under Credit Facility		102,107	215,862
Net repayments under international credit facilities		(72)	(114)
Net repayments under other debt arrangement		(175)	(3)
Payments of deferred purchase price		(446)	0
Repurchase of treasury stock		(5,268)	0
Net cash (used in) provided by financing activities		(4,111)	18,365
Effect of exchange rates on cash and cash equivalents		164	2,038
Changes in cash and cash equivalents--
Net (decrease) increase in cash and cash equivalents		9,509	13,636
Cash and cash equivalents at beginning of year		71,701	89,654
Cash and cash equivalents at end of quarter		$ 81,210	$ 103,290

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.