Other-net Other-net Textual (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 facility operation
Restructuring Cost and Reserve [Line Items]
Number of smaller operations consolidated	4
Number of facilities to be closed for consolidation of operations	3
Number of operations consolidated from four to two buildings	1
Number of facilities closed	1
Costs associated with the consolidation program	$ 4.8
Estimated costs to complete consolidations	2.6
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Costs associated with the consolidation program	1.6
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Costs associated with the consolidation program	1.6
Other Expense [Member]
Restructuring Cost and Reserve [Line Items]
Costs associated with the consolidation program	$ 1.6