Supplemental Disclosures of Cash Flow Information (Unaudited) (Details) (Property and Equipment, at Cost and Other Accrued Liabilities [Member], USD $) In Millions, unless otherwise specified	0 Months Ended
	Sep. 30, 2013
Property and Equipment, at Cost and Other Accrued Liabilities [Member]
Supplemental Disclosures of Cash Flow Information (Unaudited) (Details) [Line Items]
Capital Expenditures Incurred but Not yet Paid	$ 3.0