CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 183,771	$ 174,935
Trade accounts receivable, net of allowances of $7,247 and $8,882	258,380	251,799
Inventories, net	290,517	296,332
Prepaid expenses and other current assets	88,654	99,080
Total current assets	821,322	822,146
Property, plant and equipment, net	277,025	269,251
Intangible assets, net	1,121,845	1,159,627
Goodwill	927,148	937,905
Deferred tax assets, net	7,677	6,250
Other assets	30,756	16,078
Total assets	3,185,773	3,211,257
Current liabilities:
Short-term portion of borrowings under senior credit facility	0	60,000
Accounts payable, trade	84,037	93,967
Accrued compensation	63,211	73,392
Short-term portion of contingent consideration	4,900	22,793
Accrued expenses and other current liabilities	81,194	98,759
Total current liabilities	233,342	348,911
Long-term borrowings under senior credit facility	1,476,488	1,781,142
Deferred tax liabilities	73,311	65,130
Other liabilities	60,727	53,768
Total liabilities	1,843,868	2,248,951
Commitments and contingencies
Stockholders’ equity:
Preferred stock; no par value; 15,000 authorized shares; none outstanding	0	0
Common stock; $0.01 par value; 240,000 authorized shares; 87,771 and 81,306 issued at June 30, 2018 and December 31, 2017, respectively	877	813
Additional paid-in capital	1,177,125	821,758
Treasury stock, at cost; 2,890 shares and 2,912 shares at June 30, 2018 and December 31, 2017, respectively	(120,732)	(121,644)
Accumulated other comprehensive loss	(25,306)	(23,807)
Retained earnings	309,941	285,186
Total stockholders’ equity	1,341,905	962,306
Total liabilities and stockholders’ equity	$ 3,185,773	$ 3,211,257