Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Assets
Cash and cash equivalents	$ 159,398	$ 593,175	$ 249,469
Accounts receivable, net	551,188	279,835	449,221
Inventories	867,082	536,714	637,459
Prepaid expenses and other current assets	134,751	87,177	86,914
Deferred income taxes	60,692	52,498	40,840
Total current assets	1,773,111	1,549,399	1,463,903
Property and equipment, net	478,418	305,564	264,629
Goodwill	591,872	123,256	123,356
Intangible assets, net	79,692	26,230	28,850
Deferred income taxes	42,866	33,570	47,602
Other long term assets	69,543	57,064	49,770
Total assets	3,035,502	2,095,083	1,978,110
Liabilities and Stockholders' Equity
Revolving credit facility, current	300,000	0	0
Accounts payable	274,285	210,432	273,687
Accrued expenses	188,266	147,681	143,299
Current maturities of long term debt	42,124	28,951	19,524
Other current liabilities	43,929	34,563	53,969
Total current liabilities	848,604	421,627	490,479
Long term debt, net of current maturities	362,550	255,250	172,124
Revolving credit facility, long term	200,000	0	0
Other long term liabilities	89,094	67,906	61,366
Total liabilities	$ 1,500,248	$ 744,783	$ 723,969
Commitments and contingencies (see Note 4)
Stockholders' equity
Additional paid-in capital	$ 603,123	$ 508,350	$ 490,578
Retained earnings	971,117	856,687	770,484
Accumulated other comprehensive income	(39,058)	(14,808)	(6,993)
Total stockholders' equity	1,535,254	1,350,300	1,254,141
Total liabilities and stockholders' equity	3,035,502	2,095,083	1,978,110
Class A Common Stock [Member]
Stockholders' equity
Common Stock	60	59	59
Class B Convertible Common Stock [Member]
Stockholders' equity
Common Stock	12	12	13
Common Class C [Member]
Stockholders' equity
Common Stock	$ 0	$ 0	$ 0