Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
OPERATING ACTIVITIES:
Net income	$ 53,246	$ 54,162	$ 72,418
Adjustments to reconcile income to cash provided by operating activities
Depreciation and amortization	30,261	30,632	30,803
Stock compensation amortization expense	7,247	5,873	13,948
Enactment of U.S. Tax Cuts and Jobs Act expenses	15,174	0	0
Bad debt expense	219	145	763
Deferred income taxes and other	8,154	468	9,052
Working capital changes:
Accounts receivable	(10,313)	(372)	18,738
Inventories	(13,629)	2,686	(26,452)
Prepaid expenses and other current assets	1,019	(7,720)	(8,332)
Accounts payable and accrued expenses	11,975	12,184	15,512
Cash provided by operating activities	103,353	98,058	126,450
INVESTING ACTIVITIES:
Capital expenditures	(30,474)	(28,071)	(27,188)
Other	(614)	1,642	731
Cash used in investing activities	(31,088)	(26,429)	(26,457)
FINANCING ACTIVITIES:
Credit facility borrowing	25,000	87,400	0
Credit facility repayments	(57,014)	(17,575)	(45,267)
Term loan repayments	(15,000)	(12,500)	(2,500)
Repurchase of common stock	(91,576)	(18,496)	(13,306)
Dividends paid	(15,487)	(14,285)	(11,885)
Tax Withholding Payments for Share-Based Compensation	(1,479)	(4,895)	(1,015)
Debt issuance costs	(1,427)	0	0
Proceeds from issuance of common stock	0	0	359
Cash provided by (used in) financing activities	(156,983)	19,649	(73,614)
Net cash provided by (used in) operating, investing and financing activities	(84,718)	91,278	26,379
Effect of exchange rate changes on cash	6,083	(1,302)	(5,579)
CASH AND CASH EQUIVALENTS:
Net increase (decrease)	(78,635)	89,976	20,800
Balance, beginning of year	165,672	75,696	54,896
Balance, end of year	$ 87,037	$ 165,672	$ 75,696