Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 03, 2020	Sep. 28, 2019
Operating activities
Net earnings	$ 85,940	$ 150,641
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	123,776	122,302
(Gain) loss on disposal of property and equipment	257	(168)
Accretion of interest on convertible debt instruments	10,232	10,558
Inventory write-offs for obsolescence	17,891	19,214
Deferred income taxes	(1,142)	(4,481)
Loss on extinguishment of debt	7,520	1,307
Other	3,188	9,029
Change in U.S. transition tax liability	(14,757)	(14,757)
Change in repatriation tax liability	(16,258)	(38,814)
Net change in operating assets and liabilities, net of effects of businesses acquired	(27,408)	(42,810)
Net cash provided by operating activities	189,239	212,021
Investing activities
Capital expenditures	(70,801)	(100,267)
Proceeds from sale of property and equipment	293	486
Purchase of businesses, net of cash received	(25,852)	(11,862)
Purchase of short-term investments	(157,177)	(59,440)
Maturity of short-term investments	241,016	79,765
Other investing activities	(529)	4,021
Net cash provided by (used in) investing activities	(13,050)	(87,297)
Financing activities
Issuance costs	0	(5,394)
Repurchase of convertible debt instruments	(148,177)	(22,695)
Net changes in short-term borrowings	(110)	(12)
Distributions to noncontrolling interests	(600)	(600)
Cash withholding taxes paid when shares withheld for vested equity awards	(2,016)	(2,708)
Net cash provided by (used in) financing activities	(192,130)	(71,132)
Effect of exchange rate changes on cash and cash equivalents	4,230	(8,141)
Net increase (decrease) in cash and cash equivalents	(11,711)	45,451
Cash and cash equivalents at beginning of period	694,133	686,032
Cash and cash equivalents at end of period	682,422	731,483
Common Stock [Member]
Financing activities
Dividends paid to common stockholders	(37,779)	(36,396)
Class B Convertible Common Stock [Member]
Financing activities
Dividends paid to common stockholders	$ (3,448)	$ (3,327)