CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Cash flows from operating activities of continuing operations:
Net income	$ 74,866	$ 131,150
Adjustments to reconcile net income to net cash provided by operating activities:
Loss from discontinued operations	1	2
Depreciation expense	17,513	16,842
Intangible asset amortization expense	41,922	38,911
Deferred financing costs and debt discount amortization expense	1,210	945
Fair value step up of acquired inventory sold	3,993	1,707
Changes in contingent consideration	6,354	(46,502)
Stock-based compensation	5,344	3,522
Deferred income taxes, net	425	679
Payments for contingent consideration	0	(79,771)
Interest benefit on swaps designated as net investment hedges	(4,647)	(4,874)
Other	(14,384)	(18,143)
Changes in assets and liabilities, net of effects of acquisitions and disposals:
Accounts receivable	(12,298)	(23,145)
Inventories	(10,074)	(12,346)
Prepaid expenses and other assets	3,342	6,403
Accounts payable, accrued expenses and other liabilities	(4,438)	(31,488)
Income taxes receivable and payable, net	1,665	4,651
Net cash provided by (used in) operating activities from continuing operations	110,794	(11,457)
Cash flows from investing activities of continuing operations:
Expenditures for property, plant and equipment	(19,276)	(19,684)
Proceeds from sale of assets	161	400
Payments for businesses and intangibles acquired, net of cash acquired	(1,762)	(265,160)
Net cash used in investing activities from continuing operations	(20,877)	(284,444)
Cash flows from financing activities of continuing operations:
Proceeds from new borrowings	0	485,000
Reduction in borrowings	(100,000)	0
Debt extinguishment, issuance and amendment fees	(22)	0
Net proceeds from share based compensation plans and the related tax impacts	(2,510)	(3,022)
Payments for contingent consideration	(13,071)	(60,881)
Dividends paid	(15,893)	(15,767)
Net cash (used in) provided by financing activities from continuing operations	(131,496)	405,330
Cash flows from discontinued operations:
Net cash used in operating activities	(243)	(193)
Net cash used in discontinued operations	(243)	(193)
Effect of exchange rate changes on cash and cash equivalents	(9,427)	(3,842)
Net (decrease) increase in cash and cash equivalents	(51,249)	105,394
Cash and cash equivalents at the beginning of the period	375,880	301,083
Cash and cash equivalents at the end of the period	$ 324,631	$ 406,477