Commitments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Schedule Of Contractual Commitments [Line Items]
Facilities operating leases 2013	$ 563
Facilities operating leases 2014	2,288
Facilities operating leases 2015	2,226
Facilities operating leases 2016	2,266
Facilities operating leases 2017	2,333
Facilities operating leases 2018	577
Facilities operating leases Total minimum payments	10,253
Other contractual obligations 2013	1,081
Other contractual obligations 2014	2,288
Other contractual obligations 2015	729
Other contractual obligations 2016	451
Other contractual obligations 2017
Other contractual obligations 2018
Other contractual obligations, Total minimum payments	4,549
Total 2013	1,644
Total 2014	4,576
Total 2015	2,955
Total 2016	2,717
Total 2017	2,333
Total 2018	577
Total minimum payments	$ 14,802

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 55

-Paragraph 40

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