Acquisitions	12 Months Ended
Dec. 31, 2017
Business Combinations [Abstract]
Acquisitions	Acquisitions 2017 Acquisitions In April 2017, we acquired the distribution assets of Lincoln Equipment, Inc. (Lincoln Aquatics), a national distributor of equipment and supplies to commercial and institutional swimming pool customers, with one location in California. In July 2017, we acquired New Star Holdings Pty. Ltd. (doing business as Newline Pool Products), a swimming pool equipment and supplies distributor with one distribution center in Brisbane, Australia. In October 2017, we acquired E-Grupa, a national swimming pool equipment and supplies distributor, with one location in Croatia. In December 2017, we acquired Kripsol Intermark Malaga S.L. (Intermark), a swimming pool equipment and supplies distributor, with one location in southern Spain. In December 2017, we acquired Chem Quip, Inc. (Chem Quip), a wholesale distributor of residential and commercial swimming pool equipment, chemicals and supplies, with five distribution locations in central and northern California. We have completed our acquisition accounting for these acquisitions, subject to adjustments for standard holdback provisions per the terms of the purchase agreements, which are not material. These acquisitions did not have a material impact on our financial position or results of operations, either individually or in the aggregate. 2016 Acquisitions In April 2016, we acquired the distribution assets of Metro Irrigation Supply Company Ltd., an irrigation and landscape supply company with eight locations in Texas. We have completed our acquisition accounting for this acquisition. This acquisition did not have a material impact on our financial position or results of operations. 2015 Acquisitions In April 2015, we acquired certain distribution assets from Poolwerx Development LLC and opened a satellite sales center location serving South Mesa, Arizona. In October 2015, we acquired the distribution assets of Seaboard Industries, Inc., a swimming pool supply wholesale distributor with one sales center location in Connecticut and two sales center locations in New Jersey. In November 2015, we acquired the distribution assets of The Melton Corporation, a masonry materials and supplies distributor with one sales center location in California and one sales center location in Arizona. We have completed our acquisition accounting for each of these acquisitions. These acquisitions did not have a material impact on our financial position or results of operations, either individually or in the aggregate.

Acquisitions

2017 Acquisitions

In April 2017, we acquired the distribution assets of Lincoln Equipment, Inc. (Lincoln Aquatics), a national distributor of equipment and supplies to commercial and institutional swimming pool customers, with one location in California.

In July 2017, we acquired New Star Holdings Pty. Ltd. (doing business as Newline Pool Products), a swimming pool equipment and supplies distributor with one distribution center in Brisbane, Australia.

In October 2017, we acquired E-Grupa, a national swimming pool equipment and supplies distributor, with one location in Croatia.

In December 2017, we acquired Kripsol Intermark Malaga S.L. (Intermark), a swimming pool equipment and supplies distributor, with one location in southern Spain.

In December 2017, we acquired Chem Quip, Inc. (Chem Quip), a wholesale distributor of residential and commercial swimming pool equipment, chemicals and supplies, with five distribution locations in central and northern California.

We have completed our acquisition accounting for these acquisitions, subject to adjustments for standard holdback provisions per the terms of the purchase agreements, which are not material. These acquisitions did not have a material impact on our financial position or results of operations, either individually or in the aggregate.

2016 Acquisitions

In April 2016, we acquired the distribution assets of Metro Irrigation Supply Company Ltd., an irrigation and landscape supply company with eight locations in Texas.

We have completed our acquisition accounting for this acquisition. This acquisition did not have a material impact on our financial position or results of operations.

2015 Acquisitions

In April 2015, we acquired certain distribution assets from Poolwerx Development LLC and opened a satellite sales center location serving South Mesa, Arizona. In October 2015, we acquired the distribution assets of Seaboard Industries, Inc., a swimming pool supply wholesale distributor with one sales center location in Connecticut and two sales center locations in New Jersey. In November 2015, we acquired the distribution assets of The Melton Corporation, a masonry materials and supplies distributor with one sales center location in California and one sales center location in Arizona.

We have completed our acquisition accounting for each of these acquisitions. These acquisitions did not have a material impact on our financial position or results of operations, either individually or in the aggregate.