Summary of Significant Accounting Policies (Detail Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Minimum
Significant Accounting Policies [Line Items]
Product warranty period (in years)			1 year
Maximum
Significant Accounting Policies [Line Items]
Product warranty period (in years)			15 years
Foley Company
Significant Accounting Policies [Line Items]
Estimated costs on certain projects in excess of previous period estimates, Pretax charge	$ 0	$ 2.9	$ 0.5	$ 8.7