CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 53,875	$ 67,750
Trade receivables - net of allowance for credit losses - 2022 - $7,568 and 2021 - $6,767	155,859	152,301
Other receivables	11,748	17,763
Inventories	231,451	221,922
Prepaid expenses and other current assets	19,809	16,149
Prepaid income taxes	3,547	3,550
Income tax refund receivables	1,803	2,777
Total current assets	478,092	482,212
Property and equipment:
Land and land improvements	25,380	25,287
Buildings	189,773	190,044
Manufacturing equipment	283,802	277,976
Furniture and fixtures	61,877	61,446
Leasehold improvements	48,060	46,341
Construction-in-progress	50,870	51,182
Total property and equipment	659,762	652,276
Less accumulated depreciation	(287,853)	(280,618)
Property and equipment - net	371,909	371,658
Other assets:
Goodwill	361,456	361,741
Deferred income tax assets	6,179	6,080
Right-of-use operating lease assets	64,659	65,913
Other assets	41,707	41,421
Total other assets	779,739	794,424
Total assets	1,629,740	1,648,294
Current liabilities:
Trade payables	58,099	55,624
Accrued expenses	122,394	159,014
Current portion of long-term debt	9,375	8,438
Short-term operating lease liabilities	10,304	10,668
Income taxes payable	3,659	2,536
Total current liabilities	203,831	236,280
Long-term debt	243,112	234,397
Deferred income tax liabilities	31,491	31,503
Long-term income taxes payable	347	347
Liabilities related to unrecognized tax benefits	932	932
Deferred compensation payable	16,804	18,111
Deferred credits	1,788	1,815
Long-term operating lease liabilities	60,366	61,526
Other long-term obligations	14,550	23,584
Total liabilities	573,221	608,495
Commitments and contingencies
Stockholders' equity:
Preferred stock - 5,000 shares authorized as of March 31, 2022 and December 31, 2021; no shares issued
Common stock, no par value; shares authorized - 2022 and 2021 - 100,000; issued and outstanding as of March 31, 2022 - 56,655 and December 31, 2021 - 56,570	646,370	641,533
Retained earnings	416,802	406,257
Accumulated other comprehensive loss	(6,653)	(7,991)
Total stockholders' equity	1,056,519	1,039,799
Total liabilities and stockholders' equity	1,629,740	1,648,294
Developed technology
Other assets:
Intangible assets	264,839	276,833
Other
Other assets:
Intangible assets	$ 40,899	$ 42,436