CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 67,750	$ 56,916
Trade receivables - net of allowance for credit losses - 2021 - $6,767 and 2020 - $5,313	152,301	146,641
Other receivables	17,763	7,774
Inventories	221,922	198,019
Prepaid expenses and other current assets	16,149	13,120
Prepaid income taxes	3,550	3,688
Income tax refund receivables	2,777	3,549
Total current assets	482,212	429,707
Property and equipment:
Land and land improvements	25,287	28,400
Buildings	190,044	188,878
Manufacturing equipment	277,976	268,894
Furniture and fixtures	61,446	61,586
Leasehold improvements	46,341	48,800
Construction-in-progress	51,182	46,889
Total property and equipment	652,276	643,447
Less accumulated depreciation	(280,618)	(260,719)
Property and equipment - net	371,658	382,728
Other assets:
Goodwill	361,741	363,533
Deferred income tax assets	6,080	4,597
Right-of-use operating lease assets	65,913	78,240
Other assets	41,421	37,676
Total other assets	794,424	851,961
Total assets	1,648,294	1,664,396
Current liabilities:
Trade payables	55,624	49,837
Accrued expenses	159,014	111,944
Current portion of long-term debt	8,438	7,500
Short-term operating lease liabilities	10,668	12,903
Income taxes payable	2,536	2,820
Total current liabilities	236,280	185,004
Long-term debt	234,397	343,722
Deferred income tax liabilities	31,503	33,312
Long-term income taxes payable	347	347
Liabilities related to unrecognized tax benefits	932	1,016
Deferred compensation payable	18,111	16,808
Deferred credits	1,815	1,923
Long-term operating lease liabilities	61,526	70,941
Other long-term obligations	23,584	52,748
Total liabilities	608,495	705,821
Commitments and contingencies
Stockholders' equity:
Preferred stock - 5,000 shares authorized as of December 31, 2021 and December 31, 2020; no shares issued	0	0
Common stock, no par value; shares authorized - 2021 and 2020 - 100,000; issued and outstanding as of December 31, 2021 - 56,570 and December 31, 2020 - 55,623	641,533	606,224
Retained earnings	406,257	357,803
Accumulated other comprehensive loss	(7,991)	(5,452)
Total stockholders' equity	1,039,799	958,575
Total liabilities and stockholders' equity	1,648,294	1,664,396
Developed technology
Other assets:
Intangible assets	276,833	318,059
Other
Other assets:
Intangible assets	$ 42,436	$ 49,856