Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 32,637	$ 31,339
Other comprehensive income (loss):
Foreign currency translation	214	976
Change in unrealized (losses) gains on interest rate swaps, net of change in taxes of $90 and $(275)	(269)	824
Total other comprehensive (loss) income	(55)	1,800
Comprehensive income attributable to Pool Corporation	$ 32,582	$ 33,139