Stock-Based Compensation Stock Option Activity (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Dec. 31, 2013
Number of Stock Options
Options outstanding at beginning of period (shares)	15,540
Options outstanding at end of period (shares)	15,540
Vested at end of period (shares)	15,540
Options exercisable at end of period (shares)	15,540
Weighted-Average Remaining Contractual Term
Options outstanding at end of period	7 months
Vested at end of period	7 months
Options exercisable at end of period	7 months
Weighted Average Exercise Price
Options outstanding at beginning of period (USD per share)	$ 15.86
Options outstanding at end of year (USD per share)	$ 15.86
Vested at end of period (USD per share)	$ 15.86
Options exercisable at end of period (USD per share)	$ 15.86
Aggregate Intrinsic Value
Options outstanding at end of period	$ 0
Vested at end of period	0
Options exercisable at end of period	$ 0

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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