Debt (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Line of Credit Facility [Line Items]
Additional committed borrowing capacity	$ 36.2
Debt (Textual) [Abstract]
Asset Based Senior Secured Revolving Credit	120.0
FCCR testing threshold	12.3
Revolving Credit borrowing	62.4
Weighted average interest rate	3.04%
Letters of credit outstanding	4.9
Capital lease and other obligations	0.1
Amortization on Real Estate Component of Borrowing base	10 years
Credit facility maturity date	Sep. 03, 2014
FCCR excess availability	36.2
Maximum [Member]
Line of Credit Facility [Line Items]
Additional committed borrowing capacity	15.0
Unused commitment fees	0.375%
Maximum [Member] | Fixed Charge Coverage Ratio Threshold [Member]
Line of Credit Facility [Line Items]
Line of credit facility current borrowing capacity	17.3
Minimum [Member]
Line of Credit Facility [Line Items]
FCCR	1.25%
Fixed charge coverage ratio	10.0
Fixed charge coverage ratio testing threshold limit	10.0
Unused commitment fees	0.30%
Minimum [Member] | Fixed Charge Coverage Ratio Threshold [Member]
Line of Credit Facility [Line Items]
Line of credit facility current borrowing capacity	$ 5.0