SEGMENT INFORMATION (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 item	Sep. 30, 2012
SEGMENT INFORMATION
Number of reportable segments			2
Segment information
Net sales	$ 590,422,000	$ 541,940,000	$ 1,705,579,000	$ 1,589,185,000
Contribution margin	192,722,000	170,137,000	548,224,000	518,827,000
Corporate and unallocated expenses	(41,293,000)	(29,452,000)	(110,064,000)	(82,085,000)
Operating income	151,429,000	140,685,000	438,160,000	436,742,000
Other (expense) income	(706,000)	553,000	(6,009,000)	840,000
Income before provision for income taxes	150,723,000	141,238,000	432,151,000	437,582,000
Depreciation and amortization	(6,096,000)	(5,155,000)	(16,408,000)	(15,228,000)
Trademark amortization	(12,000)	(12,000)	(36,000)	(36,000)
Stock-based compensation expense	7,200,000	7,900,000	21,600,000	21,600,000
Direct Store Delivery ("DSD")
Segment information
Net sales	566,768,000	516,268,000	1,627,936,000	1,515,476,000
Contribution margin	194,915,000	170,096,000	548,906,000	515,010,000
Other (expense) income	180,000	147,000	468,000	414,000
Depreciation and amortization	(5,069,000)	(3,884,000)	(14,091,000)	(11,577,000)
Warehouse ("Warehouse")
Segment information
Net sales	23,654,000	25,672,000	77,643,000	73,709,000
Contribution margin	(2,193,000)	41,000	(682,000)	3,817,000
Other (expense) income			(1,000)
Depreciation and amortization	(67,000)	(38,000)	(168,000)	(93,000)
Trademark amortization	(11,000)	(11,000)	(33,000)	(33,000)
Corporate and Unallocated
Segment information
Corporate and unallocated expenses	(41,293,000)	(29,452,000)	(110,064,000)	(82,085,000)
Other (expense) income	(886,000)	406,000	(6,476,000)	426,000
Depreciation and amortization	(960,000)	(1,233,000)	(2,149,000)	(3,558,000)
Trademark amortization	(1,000)	(1,000)	(3,000)	(3,000)
Payroll cost	19,800,000	19,800,000	60,600,000	55,400,000
Stock-based compensation expense	7,200,000	7,900,000	21,600,000	21,600,000
Professional service expenses	10,900,000	4,500,000	27,900,000	11,600,000
Depreciation		1,200,000		3,600,000
Other operating expenses	$ 10,600,000	$ 4,000,000	$ 21,600,000	$ 11,500,000