Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net sales	$ 645,779	$ 615,536	$ 1,948,064	$ 1,870,120
Cost of sales	461,491	439,292	1,390,715	1,332,800
Gross profit	184,288	176,244	557,349	537,320
Selling and administrative expenses	118,776	117,787	347,106	347,718
Operating income	65,512	58,457	210,243	189,602
Interest expense, net	2,473	1,864	6,368	5,691
Income before income taxes and equity earnings	63,039	56,593	203,875	183,911
Provision for income taxes	23,704	21,711	78,489	71,111
Equity earnings in unconsolidated investments	68	76	259	209
Net income	39,403	34,958	125,645	113,009
Net (income) loss attributable to redeemable noncontrolling interest	44	(122)	144	(122)
Net income attributable to Pool Corporation	$ 39,447	$ 34,836	$ 125,789	$ 112,887
Earnings per share:
Basic (in dollars per share)	$ 0.92	$ 0.80	$ 2.91	$ 2.53
Diluted (in dollars per share)	$ 0.90	$ 0.78	$ 2.83	$ 2.47
Weighted average shares outstanding: [Abstract]
Basic (in shares)	42,826	43,756	43,266	44,563
Diluted (in shares)	43,939	44,864	44,407	45,730
Cash dividends declared per common share	$ 0.26	$ 0.22	$ 0.74	$ 0.63