SUBSEQUENT EVENT SUBSEQUENT EVENT	12 Months Ended
Dec. 31, 2018
Subsequent Events [Abstract]
SUBSEQUENT EVENT	SUBSEQUENT EVENT On January 2, 2019, Headwater Companies, LLC, a wholly owned subsidiary of the Company, acquired 100 percent interest of Milan Supply Company of Mt. Pleasant, Michigan for approximately $5.9 million. Milan Supply will continue to operate as a professional groundwater distributor and will be included as a part of the Distribution Segment of the Company.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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