Segment Information Segment Results Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Warranty charge	$ 1.5		$ 28.2
Earnings Per Share, Basic	$ 0.33	$ 0.19	$ 0.09	$ 0.67
SmartSynch acquisition-related cost recovery	$ 3.4		$ 8.0
Water Operating Segment [Member]
Segment Reporting Information [Line Items]
Earnings Per Share, Basic	$ 0.02		$ 0.45