Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 53,533	$ 24,690
Trade accounts receivable, less allowances of $5,339 and $4,073, respectively	454,637	288,197
Inventories	721,290	602,963
Prepaid expenses and other current assets	62,462	46,328
Total current assets	1,291,922	962,178
Property, plant and equipment, net	1,489,872	1,156,952
Goodwill	1,171,454	604,714
Other intangible assets, net	417,088	180,782
Other assets, net	275,113	244,764
Total assets	4,645,449	3,149,390
Current liabilities:
Revolving loans and current portion of long-term debt	108,789	217,127
Trade accounts payable	659,629	504,798
Accrued payroll and related costs	66,257	46,275
Accrued liabilities	123,602	93,625
Total current liabilities	958,277	861,825
Long-term debt	2,438,502	1,344,456
Deferred income taxes	262,394	298,420
Other liabilities	220,211	175,274
Stockholders’ equity:
Common stock ($0.01 par value per share; 200,000,000 shares authorized, 175,112,496 and 87,566,248 shares issued and 110,385,344 and 55,051,158 shares outstanding, respectively)	1,751	876
Paid-in capital	262,201	249,763
Retained earnings	1,809,845	1,558,594
Accumulated other comprehensive loss	(188,973)	(223,856)
Treasury stock at cost (64,727,152 and 32,505,090 shares, respectively)	(1,118,759)	(1,115,962)
Total stockholders’ equity	766,065	469,415
Liabilities and Equity, Total	$ 4,645,449	$ 3,149,390