Commitments and Contingencies - Defined Benefit Plan (Details) (India Subsidiary [Member])	Sep. 30, 2013
India Subsidiary [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, percentage of employees eligible for benefits	37.00%
Defined benefit plan, minimum service period of employees to be eligible under plan	5 years
Defined benefit plan, number of days salary payable under termination, resignation, or retirement	15 days