CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 37,315	$ 67,359
Trade receivables - net of allowance for uncollectible accounts - 2019 - $2,848 and 2018 - $2,355	144,683	137,174
Other receivables	11,751	11,879
Inventories	216,766	197,536
Prepaid expenses and other current assets	17,610	11,326
Prepaid income taxes	3,611	3,627
Income tax refund receivables	9,566	933
Total current assets	441,302	429,834
PROPERTY AND EQUIPMENT:
Land and land improvements	27,412	26,801
Buildings	152,782	151,251
Manufacturing equipment	234,121	221,029
Furniture and fixtures	59,487	54,765
Leasehold improvements	36,992	33,678
Construction-in-progress	85,703	53,491
Total property and equipment	596,497	541,015
Less accumulated depreciation	(229,596)	(209,563)
Property and equipment - net	366,901	331,452
OTHER ASSETS:
Goodwill	352,158	335,433
Deferred income tax assets	2,944	3,001
Right-of-use operating lease assets	79,757
Other assets	59,735	57,579
Total other assets	953,501	858,726
TOTAL	1,761,704	1,620,012
CURRENT LIABILITIES:
Trade payables	52,387	54,024
Accrued expenses	80,486	96,173
Current portion of long-term debt	7,500	22,000
Short-term operating lease liabilities	11,652
Income taxes payable	1,188	3,146
Total current liabilities	153,213	175,343
LONG-TERM DEBT	432,456	373,152
DEFERRED INCOME TAX LIABILITIES	58,290	56,363
LONG-TERM INCOME TAXES PAYABLE	392	392
LIABILITIES RELATED TO UNRECOGNIZED TAX BENEFITS	3,013	3,013
DEFERRED COMPENSATION PAYABLE	13,497	11,219
DEFERRED CREDITS	2,157	2,261
LONG-TERM OPERATING LEASE LIABILITIES	72,056
OTHER LONG-TERM OBLIGATIONS	77,389	65,494
Total liabilities	812,463	687,237
COMMITMENTS AND CONTINGENCIES (Notes 5, 10, 11, 14 and 15)
STOCKHOLDERS' EQUITY:
Preferred stock - 5,000 shares authorized as of September 30, 2019 and December 31, 2018; no shares issued	0	0
Common stock, no par value; shares authorized - 2019 and 2018 - 100,000; issued and outstanding as of September 30, 2019 - 55,208 and December 31, 2018 - 54,893	584,161	571,383
Retained earnings	373,174	363,425
Accumulated other comprehensive loss	(8,094)	(2,033)
Total stockholders' equity	949,241	932,775
TOTAL	1,761,704	1,620,012
Developed technology
OTHER ASSETS:
Intangible assets	390,796	383,147
Other
OTHER ASSETS:
Intangible assets	$ 68,111	$ 79,566