XML 41 R9.htm IDEA: XBRL DOCUMENT

Description of Business	12 Months Ended
Description of Business	Dec. 31, 2012
Description of Business
Description of Business	(1) Description of Business Watts Water Technologies, Inc. (the Company) designs, manufactures and sells an extensive line of water safety and flow control products primarily for the water quality, water conservation, water safety and water flow control markets located predominantly in North America and Europe with a presence in Asia.