Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net sales	$ 851,855	$ 848,240	$ 1,302,285	$ 1,254,584
Cost of sales	603,595	601,264	929,224	893,508
Gross profit	248,260	246,976	373,061	361,076
Selling and administrative expenses	119,128	124,477	228,330	229,931
Operating income	129,132	122,499	144,731	131,145
Interest expense, net	1,900	1,894	3,895	3,827
Income before income taxes and equity earnings	127,232	120,605	140,836	127,318
Provision for income taxes	49,493	46,796	54,785	49,400
Equity earnings in unconsolidated investments	70	54	191	133
Net income	77,809	73,863	86,242	78,051
Add: net loss attributable to redeemable noncontrolling interest	115	0	101	0
Net income attributable to Pool Corporation	$ 77,924	$ 73,863	$ 86,343	$ 78,051
Earnings per share:
Basic (in dollars per share)	$ 1.80	$ 1.65	$ 1.99	$ 1.74
Diluted (in dollars per share)	$ 1.75	$ 1.61	$ 1.94	$ 1.69
Weighted average shares outstanding: [Abstract]
Basic (in shares)	43,322	44,769	43,461	44,972
Diluted (in shares)	44,458	45,971	44,606	46,160
Cash dividends declared per common share	$ 0.26	$ 0.22	$ 0.48	$ 0.41