CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 714,380	$ 1,025,851
Receivables, less allowance for doubtful accounts of $5,907 at June 30, 2021 and $6,091 at December 31, 2020	356,469	293,146
Inventories	360,079	289,910
Other current assets	62,761	48,324
Total current assets	1,493,689	1,657,231
Property, plant and equipment - net	313,353	298,273
Goodwill	2,210,570	1,895,574
Intangible assets - net	626,586	415,563
Other noncurrent assets	138,799	147,757
Total assets	4,782,997	4,414,398
Current liabilities
Trade accounts payable	178,796	151,993
Accrued expenses	230,426	208,828
Short-term borrowings	41	88
Dividends payable	41,096	38,149
Total current liabilities	450,359	399,058
Long-term borrowings	1,189,828	1,044,354
Deferred income taxes	211,164	163,863
Other noncurrent liabilities	258,782	266,797
Total liabilities	2,110,133	1,874,072
Commitments and contingencies
Preferred stock:
Authorized: 5,000,000 shares, $.01 per share par value; Issued: None	0	0
Common stock:
Authorized: 150,000,000 shares, $.01 per share par value, Issued: 90,071,924 shares at March 31, 2021 and 90,071,763 shares at December 31, 2020	901	901
Additional paid-in capital	785,674	775,153
Retained earnings	2,974,163	2,841,546
Treasury stock at cost: 13,965,568 shares at June 30, 2021 and 14,111,221 shares at December 31, 2020	(1,058,719)	(1,063,872)
Accumulated other comprehensive income (loss)	(29,223)	(13,525)
Total shareholders’ equity	2,672,796	2,540,203
Noncontrolling interest	68	123
Total equity	2,672,864	2,540,326
Total liabilities and equity	$ 4,782,997	$ 4,414,398