Debt and Financing Arrangements (Details) (USD $)	0 Months Ended	12 Months Ended						0 Months Ended						3 Months Ended
	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Other, net	Dec. 31, 2012 Other, net	Dec. 31, 2011 Other, net	Sep. 30, 2013 Base Rate	Sep. 30, 2013 LIBOR Rate	Sep. 30, 2013 Minimum Base Rate	Sep. 30, 2013 Minimum LIBOR Rate	Sep. 30, 2013 Maximum Base Rate	Sep. 30, 2013 Maximum LIBOR Rate	Dec. 31, 2013 Credit Agreement	Sep. 27, 2013 Credit Agreement	Sep. 27, 2013 Revolving Facility	Sep. 27, 2013 Term Loan	Sep. 27, 2013 Swing Loans	Sep. 27, 2013 Letters of Credit
Debt Instrument [Line Items]
Principal amount																$ 150,000,000	$ 150,000,000
Additional principal amount available															75,000,000			20,000,000	20,000,000
Description of variable rate basis								base	LIBOR
Basis spread on variable rate	1.00%							0.50%		0.00%	1.00%	0.75%	1.75%
Amount borrowed															275,000,000	125,000,000	150,000,000
Debt repayment		1,875,000	0	0										1,900,000
Payments of financing charges					900,000	0	0
Available borrowing capacity														$ 26,900,000