Significant Accounting Policies Significant Accounting Policies - Phantom (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012
Condensed Balance Sheet Statements, Captions
Quantifying Misstatement in Current Year Financial Statements, Amount	$ 20,709
Current Deferred Income Tax
Condensed Balance Sheet Statements, Captions
Quantifying Misstatement in Current Year Financial Statements, Amount	20,700
Total Current Assets
Condensed Balance Sheet Statements, Captions
Quantifying Misstatement in Current Year Financial Statements, Amount	20,700
Total Assets
Condensed Balance Sheet Statements, Captions
Quantifying Misstatement in Current Year Financial Statements, Amount	20,700
Long-term Deferred Income Tax Liability
Condensed Balance Sheet Statements, Captions
Quantifying Misstatement in Current Year Financial Statements, Amount	20,700
Total Liabilities
Condensed Balance Sheet Statements, Captions
Quantifying Misstatement in Current Year Financial Statements, Amount	20,700
Total Liabilities and Stockholders' Equity
Condensed Balance Sheet Statements, Captions
Quantifying Misstatement in Current Year Financial Statements, Amount	$ 20,700