CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 44,551	$ 44,320
Trade receivables - net of allowance for uncollectible accounts - 2020 - $4,687 and 2019 - $3,108	141,957	155,365
Other receivables	8,073	10,016
Inventories	209,109	225,698
Prepaid expenses and other current assets	15,579	12,497
Prepaid income taxes	3,545	3,491
Income tax refund receivables	11,812	3,151
Total current assets	434,626	454,538
PROPERTY AND EQUIPMENT:
Land and land improvements	28,090	27,554
Buildings	182,914	153,863
Manufacturing equipment	266,755	244,368
Furniture and fixtures	61,830	57,623
Leasehold improvements	48,549	43,311
Construction-in-progress	50,251	83,685
Total property and equipment	638,389	610,404
Less accumulated depreciation	(254,585)	(231,619)
Property and equipment - net	383,804	378,785
OTHER ASSETS:
Goodwill	353,622	353,193
Deferred income tax assets	3,857	3,788
Right-of-use operating lease assets	76,775	80,244
Other assets	35,011	41,461
Total other assets	852,080	923,998
TOTAL ASSETS	1,670,510	1,757,321
CURRENT LIABILITIES:
Trade payables	46,634	54,623
Accrued expenses	116,927	105,184
Current portion of long-term debt	7,500	7,500
Short-term operating lease liabilities	12,981	11,550
Income taxes payable	2,005	2,799
Total current liabilities	186,047	181,656
Long-term debt	349,813	431,984
Deferred income tax liabilities	45,439	45,236
Long-term income taxes payable	347	347
Liabilities related to unrecognized tax benefits	1,990	1,990
Deferred compensation payable	15,396	14,855
Deferred credits	1,948	2,122
Long-term operating lease liabilities	69,407	72,714
Other long-term obligations	66,286	56,473
Total liabilities	736,673	807,377
Commitments and contingencies (Notes 4, 8, 9 and 10)
STOCKHOLDERS' EQUITY:
Preferred stock - 5,000 shares authorized as of September 30, 2020 and December 31, 2019; no shares issued	0	0
Common stock, no par value; shares authorized - 2020 and 2019 - 100,000; issued and outstanding as of September 30, 2020 - 55,538 and December 31, 2019 - 55,213	600,737	587,017
Retained earnings	342,425	368,221
Accumulated other comprehensive loss	(9,325)	(5,294)
Total stockholders' equity	933,837	949,944
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,670,510	1,757,321
Developed technology
OTHER ASSETS:
Intangible assets	331,851	379,529
Other
OTHER ASSETS:
Intangible assets	$ 50,964	$ 65,783