Consolidated Statements of Income (Unaudited) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Income Statement [Abstract]    
Net sales $ 450,430 $ 406,344
Cost of sales 325,629 292,244
Gross profit 124,801 114,100
Selling and administrative expenses 109,202 105,454
Operating income 15,599 8,646
Interest expense, net 1,995 1,933
Income before income taxes and equity earnings 13,604 6,713
Provision for income taxes 5,292 2,604
Equity earnings in unconsolidated investments 121 79
Net income 8,433 4,188
Less: Net income attributable to redeemable noncontrolling interest (14) 0
Net income attributable to Pool Corporation $ 8,419 $ 4,188
Earnings per share:    
Basic (in dollars per share) $ 0.19 $ 0.09
Diluted (in dollars per share) $ 0.19 $ 0.09
Weighted average shares outstanding: [Abstract]    
Basic (in shares) 43,601 45,178
Diluted (in shares) 44,756 46,375
Cash dividends declared per common share $ 0.22 $ 0.19