CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 189,396	$ 174,935
Trade accounts receivable, net of allowances of $4,596 and $8,882	272,260	251,799
Inventories, net	290,474	296,332
Prepaid expenses and other current assets	96,520	99,080
Total current assets	848,650	822,146
Property, plant and equipment, net	274,029	269,251
Intangible assets, net	1,147,954	1,159,627
Goodwill	944,495	937,905
Deferred tax assets, net	6,464	6,250
Other assets	26,101	16,078
Total assets	3,247,693	3,211,257
Current liabilities:
Short-term portion of borrowings under senior credit facility	60,000	60,000
Accounts payable, trade	86,995	93,967
Accrued compensation	56,991	73,392
Short-term portion of contingent consideration	24,215	22,793
Accrued expenses and other current liabilities	107,819	98,759
Total current liabilities	336,020	348,911
Long-term borrowings under senior credit facility	1,772,027	1,781,142
Deferred tax liabilities	72,879	65,130
Other liabilities	68,327	53,768
Total liabilities	2,249,253	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; 81,711 and 81,306 issued at March 31, 2018 and December 31, 2017, respectively	817	813
Additional paid-in capital	822,520	821,758
Treasury stock, at cost; 2,890 shares and 2,912 shares at March 31, 2018 and December 31, 2017, respectively	(120,734)	(121,644)
Accumulated other comprehensive loss	(1,663)	(23,807)
Retained earnings	297,500	285,186
Total stockholders’ equity	998,440	962,306
Total liabilities and stockholders’ equity	$ 3,247,693	$ 3,211,257