Financial Instruments and Fair Value (Schedule of Instruments Entered Into for Hedging Purposes) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended								12 Months Ended
	Dec. 31, 2013 Interest Rate Swap 1 [Member] One-Month LIBOR [Member]		Dec. 31, 2013 Interest Rate Swap [Member]	Nov. 30, 2013 Interest Rate Swap [Member]	Dec. 31, 2012 Interest Rate Swap [Member] One-Month LIBOR [Member]		Dec. 31, 2013 Interest Rate Swap [Member] One-Month LIBOR [Member]	Dec. 31, 2013 Interest Rate Swap [Member] One-Month LIBOR [Member] Accounts Payable and Accrued Liabilities [Member]	Dec. 31, 2012 Interest Rate Swap [Member] One-Month LIBOR [Member] Accounts Payable and Accrued Liabilities [Member]	Dec. 31, 2013 Interest Rate Swap [Member] One-Month LIBOR [Member] Other Long-Term Liabilities [Member]	Dec. 31, 2012 Interest Rate Swap [Member] One-Month LIBOR [Member] Other Long-Term Liabilities [Member]	Dec. 31, 2013 Interest Rate Swap [Member] One-Month LIBOR [Member] Other Long-Term Assets [Member]	Dec. 31, 2013 Interest Rate Swap 2 [Member] One-Month LIBOR [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional size	$ 75.0	[1]	$ 18.4	$ 75.0	$ 19.7	[2]							$ 18.4	[1]
Expiration	Sep. 01, 2023	[1]			Oct. 01, 2015	[2]							Oct. 01, 2015	[1]
Fair value of interest rate swaps	$ 0.7	[1]			$ (0.6)	[2]	$ (0.3)	$ (1.9)	$ (0.3)	$ (0.1)	$ (0.3)	$ (2.3)	$ (0.4)	[1]

[1] The total fair value of our swaps is a $0.3 million net asset, of which $1.9 million is included in Accounts Payable and Accrued Liabilities, $0.1 million is included in Other Long-Term Liabilities and $2.3 million is included in Other Long-Term Assets on the accompanying Consolidated Balance Sheet.

[2] The total fair value of our swap is a $0.6 million net liability, of which $0.3 million is included in Accounts Payable and Accrued Liabilities and $0.3 million is included in Other Long-Term Liabilities, respectively, on the accompanying Consolidated Balance Sheet.