Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended								1 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Flomatic	Dec. 31, 2011 Flomatic	Dec. 31, 2010 Flomatic	Dec. 31, 2012 CWV	Mar. 31, 2010 CWV	Oct. 31, 2011 CWV Foreign Corrupt Practices Act (FCPA) Settlement	Dec. 31, 2012 CWV Foreign Corrupt Practices Act (FCPA) Settlement	Dec. 31, 2011 CWV Foreign Corrupt Practices Act (FCPA) Settlement	Dec. 31, 2010 CWV Foreign Corrupt Practices Act (FCPA) Settlement
Discontinued Operations
Estimated reserve								$ 5.3
Amount of settlement entered into with the Securities and Exchange Commission to resolve allegations concerning potential violations of the FCPA									3.8
Reserve revised based on the pending settlement							1.1
Operating income (loss)				1.3	0.4					1.1	1.7	(5.7)
Loss on disposal				(3.8)
Other				0.3	0.2	(0.3)
Income (loss) before income taxes	(1.1)	2.3	(6.0)
Income tax benefit (expense)	(1.1)	(0.3)	1.7
Income (loss) from discontinued operations, net of taxes	(2.2)	2.0	(4.3)
Total revenues discontinued operations				12.9	8.5
Carrying amounts of major classes of assets and liabilities
Inventory and accounts receivable		4.8
Prepaid expenses and other assets		5.6
Property, plant and equipment		3.6
Assets of discontinued operations		14.0
Accrued expenses and other liabilities		0.6
Deferred income taxes		2.0
Liabilities of discontinued operations		$ 2.6