Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 191,339	$ 148,603	$ 128,224
Other comprehensive income (loss), net of tax [Abstract]
Foreign currency translation adjustments	5,545	(1,661)	(9,046)
Change in unrealized gains and losses on interest rate swaps, net of tax	1,205	1,312	(1,021)
Total other comprehensive income (loss)	6,750	(349)	(10,067)
Comprehensive income	198,089	148,254	118,157
Comprehensive loss attributable to noncontrolling interest	74	378	448
Comprehensive income attributable to Pool Corporation	$ 198,163	$ 148,632	$ 118,605