Acquisitions (Details)	Sep. 30, 2014
Business Acquisition [Line Items]
Parent's controlling interest percentage in PSL	60.00%
Pool Systems Pty. Ltd. [Member]
Business Acquisition [Line Items]
Number of sales centers	3
DFW Stone Supply, LLC [Member]
Business Acquisition [Line Items]
Number of sales centers	2
Atlantic Chemical and Aquatics Inc [Member]
Business Acquisition [Line Items]
Number of sales centers	2
B. Shapiro Supply, LLC [Member]
Business Acquisition [Line Items]
Number of sales centers	1
SPSC, Inc. [Member]
Business Acquisition [Line Items]
Number of sales centers	1