Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Net income	$ 85,247	$ 77,809	$ 101,610	$ 86,242
Net (income) loss attributable to redeemable noncontrolling interest	188	115	196	101
Net income attributable to Pool Corporation	$ 85,435	$ 77,924	$ 101,806	$ 86,343
Weighted average shares outstanding: [Abstract]
Basic (in shares)	42,030	43,322	42,128	43,461
Effect of dilutive securities: [Abstract]
Stock options and employee stock purchase plan (in shares)	1,122	1,136	1,102	1,145
Diluted (in shares)	43,152	44,458	43,230	44,606
Basic (in dollars per share)	$ 2.03	$ 1.80	$ 2.42	$ 1.99
Diluted (in dollars per share)	$ 1.98	$ 1.75	$ 2.35	$ 1.94
Anti-dilutive stock options excluded from diluted earnings per share computations (in shares)	0	176	1	176