Business Combinations (Tables)

6 Months Ended

Jun. 30, 2013

Business Combinations

Summary of the aggregate consideration paid and the aggregate amounts of the assets acquired and liabilities assumed

	June 30,
	2013			2012
Accounts receivable	$	300		$	17,025
Inventory	1,905			80,766
Other current assets	158			—
Property and equipment	20,131			32,599
Indefinite-lived intangibles	7,303			57,310
Other non-current assets	—			—
Current liabilities	(55		)	(49,362		)
Non-current liabilities	992			(26,816		)
Total consideration	30,734			111,522
Seller financed/assumed debt	—			—
Cash used in acquisitions	$	30,734		$	111,522

Summary of unaudited consolidated pro forma results of operations

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Revenues	$	3,704,215	$	3,408,230	$	7,121,402	$	6,661,073
Income from continuing operations	64,528		52,803		121,614		103,517
Net income	62,092		51,128		119,659		98,709
Income from continuing operations per diluted common share	$	0.71	$	0.58	$	1.34	$	1.14
Net income per diluted common share	$	0.69	$	0.57	$	1.32	$	1.09