CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 71,994	$ 120,614
Trade accounts receivable, net of allowances of $6,184 and $6,194	131,918	118,145
Inventories, net	237,114	206,919
Deferred tax assets	58,663	48,616
Prepaid expenses and other current assets	29,632	26,858
Total current assets	529,321	521,152
Property, plant and equipment, net	209,986	200,310
Intangible assets, net	459,459	197,163
Goodwill	363,888	249,764
Deferred tax assets	5,603	15,412
Other assets	10,368	8,338
Total assets	1,578,625	1,192,139
Current Liabilities:
Borrowings under senior credit facility	3,750	0
Accounts payable, trade	34,060	50,752
Deferred revenue	5,176	4,197
Accrued compensation	40,943	28,079
Accrued expenses and other current liabilities	42,096	36,354
Total current liabilities	126,025	119,382
Long-term borrowings under senior credit facility	413,125	186,875
Long-term convertible securities	213,121	205,182
Deferred tax liabilities	91,623	2,083
Other liabilities	30,409	12,527
Total liabilities	874,303	526,049
Commitments and contingencies
Stockholders’ Equity:
Preferred Stock; no par value; 15,000 authorized shares; none outstanding	0	0
Common stock; $0.01 par value; 60,000 authorized shares; 41,644 and 41,042 issued at December 31, 2014 and 2013, respectively	416	410
Additional paid-in capital	779,555	750,918
Treasury stock, at cost; 8,903 shares at December 31, 2014 and 2013, respectively	(367,121)	(367,121)
Accumulated other comprehensive income (loss)	(23,488)	927
Retained earnings	314,960	280,956
Total stockholders’ equity	704,322	666,090
Total liabilities and stockholders’ equity	$ 1,578,625	$ 1,192,139