Long-Term Debt and Other Financing Arrangements - Warrants Outstanding (Details) - Contingent Equity Agreement - $ / shares	1 Months Ended	9 Months Ended	100 Months Ended
	May 31, 2017	Sep. 30, 2017	Sep. 30, 2017	Jun. 30, 2012
Class of Warrant or Right [Line Items]
Number of warrants issued (in shares)				41,500,000
Exercise price of warrants (USD per share)				$ 0.01
Expiration period		5 years
Warrants outstanding (in shares)		0	0
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Class of Warrant or Right [Line Items]
Number of shares issued (in shares)	24,600,000		41,500,000
Warrants outstanding (in shares)	24,600,000