Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 05, 2020	Mar. 31, 2019
Operating activities:
Net income	$ 33,665	$ 35,412
Loss from discontinued operations and dispositions, net of income taxes	50	41
Income from continuing operations	33,715	35,453
Adjustments to reconcile net income from continuing operations to net cash provided by continuing operations:
Restructuring and other costs, net	5,858	7,639
Depreciation and amortization	60,758	50,469
Loss (Gain) on disposition of businesses and assets, net	0	2,133
Stock-based compensation	3,050	6,097
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(12,325)	3,102
Amortization of deferred debt financing costs and accretion of discounts	707	861
Amortization of acquired inventory revaluation	1,088	283
Changes in operating assets and liabilities which provided (used) cash, excluding effects from companies purchased and divested:
Accounts receivable, net	80,600	7,864
Inventories	(54,758)	(38,441)
Accounts payable	3,164	(1,451)
Accrued expenses and other	(61,807)	(79,325)
Net cash provided by (used in) operating activities of continuing operations	60,050	(5,316)
Net cash used in operating activities of discontinued operations	0	0
Net cash provided by (used in) operating activities	60,050	(5,316)
Investing activities:
Capital expenditures	(20,488)	(19,875)
Proceeds from surrender of life insurance policies	52	0
Payments to Acquire Investments	(1,638)	(519)
Purchases of Licenses	0	(5,000)
Proceeds from Divestiture of Businesses	60	550
Activity related to acquisitions, net of cash and cash equivalents acquired	0	(4,384)
Net cash used in investing activities of continuing operations	(22,014)	(29,228)
Net cash provided by investing activities of discontinued operations	0	0
Net cash used in investing activities	(22,014)	(29,228)
Financing activities:
Payments of borrowings	141,000	152,000
Proceeds from borrowings	125,000	179,000
Payments of debt financing costs	0	(88)
Settlement of cash flow hedges	8,708	(1,675)
Net payments on other credit facilities	(4,283)	(3,476)
Payments for acquisition-related contingent consideration	0	(12,100)
Proceeds from issuance of common stock under stock plans	1,106	8,610
Purchases of common stock	(6,342)	(5,293)
Dividends paid	(7,781)	(7,743)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	(24,592)	5,235
Cash Provided by (Used in) Financing Activities, Discontinued Operations	0	0
Net cash (used in) provided by financing activities	(24,592)	5,235
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(10,169)	450
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalent	3,275	(28,859)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at beginning of period	191,894	166,315
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period	195,169	137,456
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 195,169	$ 137,456