Acquisitions (Details)	Dec. 31, 2015
Business Acquisition [Line Items]
Number of sales centers	336
Controlling Interest by parent	60.00%
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
Atlantic Chemical & Aquatics Inc. [Member]
Business Acquisition [Line Items]
Number of sales centers	2
DFW Stone Supply, LLC [Member]
Business Acquisition [Line Items]
Number of sales centers	2
Pool Systems Pty. Ltd. [Member]
Business Acquisition [Line Items]
Number of sales centers	3
Controlling Interest by parent	60.00%
St. Louis Hardscape Material & Supply, LLC [Member]
Business Acquisition [Line Items]
Number of sales centers	1
The Melton Corporation [Member]
Business Acquisition [Line Items]
Number of sales centers	2
Seaboard Industries Inc [Member]
Business Acquisition [Line Items]
Number of sales centers	3
PoolwerxDevelopmentLLC [Member]
Business Acquisition [Line Items]
Number of sales centers	1