v2.4.0.6

Aggregate Scheduled Maturities of Borrowings (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Debt Disclosure [Abstract]
2012	$ 248
2013	1,021
2014	1,068
2015	1,116
2016	1,167
Thereafter	$ 296,890	[1]
[1] Amount reflected in balance sheet for convertible senior notes is net of unamortized original issue discount of $39,493.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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