Change in Rate Based on Leverage Ratio (Detail)
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Sep. 30, 2013
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Sep. 30, 2012
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Mar. 31, 2013
Base Rate
Less than 3.00 to 1.00
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Mar. 31, 2013
Base Rate
Greater than or equal to 3.00 to 1.00 but less than 4.00 to 1.00
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Mar. 31, 2013
Base Rate
Greater than or equal to 4.00 to 1.00 but less than 5.00 to 1.00
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Mar. 31, 2013
Base Rate
Greater than or equal to 5.00 to 1.00 but less than 6.00 to 1.00
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Mar. 31, 2013
Base Rate
Greater than or equal to 6.00 to 1.00
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Mar. 31, 2013
LIBOR Loans
Less than 3.00 to 1.00
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Mar. 31, 2013
LIBOR Loans
Greater than or equal to 3.00 to 1.00 but less than 4.00 to 1.00
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Mar. 31, 2013
LIBOR Loans
Greater than or equal to 4.00 to 1.00 but less than 5.00 to 1.00
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Mar. 31, 2013
LIBOR Loans
Greater than or equal to 5.00 to 1.00 but less than 6.00 to 1.00
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Mar. 31, 2013
LIBOR Loans
Greater than or equal to 6.00 to 1.00
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Sep. 30, 2013
Less than 3.25 to 1.00
Base Rate
|
Sep. 30, 2013
Less than 3.25 to 1.00
Eurodollar Rate Loans
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Sep. 30, 2013
Less than 3.25 to 1.00
Applicable Fee Rate
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Sep. 30, 2013
Greater than or equal to 3.25 to 1.00 but less than 4.50 to 1.00
Base Rate
|
Sep. 30, 2013
Greater than or equal to 3.25 to 1.00 but less than 4.50 to 1.00
Eurodollar Rate Loans
|
Sep. 30, 2013
Greater than or equal to 3.25 to 1.00 but less than 4.50 to 1.00
Applicable Fee Rate
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Sep. 30, 2013
Greater than or equal to 4.50 to 1.00 but less than 6.00 to 1.00
Base Rate
|
Sep. 30, 2013
Greater than or equal to 4.50 to 1.00 but less than 6.00 to 1.00
Eurodollar Rate Loans
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Sep. 30, 2013
Greater than or equal to 4.50 to 1.00 but less than 6.00 to 1.00
Applicable Fee Rate
|
Sep. 30, 2013
Greater than or equal to 6.00 to 1.00
Base Rate
|
Sep. 30, 2013
Greater than or equal to 6.00 to 1.00
Eurodollar Rate Loans
|
Sep. 30, 2013
Greater than or equal to 6.00 to 1.00
Applicable Fee Rate
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Debt Instrument [Line Items] | ||||||||||||||||||||||||
Change in rate based on leverage ratio, contractual interest rate | 9.625% | 9.625% | 1.25% | 1.50% | 1.75% | 2.00% | 2.50% | 2.25% | 2.50% | 2.75% | 3.00% | 3.50% | 0.75% | 2.25% | 0.40% | 0.75% | 2.50% | 0.50% | 1.25% | 3.00% | 0.60% | 2.25% | 3.50% | 0.75% |