Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended
	Dec. 31, 2015	Sep. 30, 2015
Significant Accounting Policies [Line Items]
Impairment of property plant and equipment	$ 0
Current assets
Significant Accounting Policies [Line Items]
Effect of retrospective adjustment due to accounting standard update		$ (6,400,000)
Current liabilities
Significant Accounting Policies [Line Items]
Effect of retrospective adjustment due to accounting standard update		(10,000)
Non-Current deferred tax assets
Significant Accounting Policies [Line Items]
Effect of retrospective adjustment due to accounting standard update		3,000,000
Non-Current deferred tax liabilities
Significant Accounting Policies [Line Items]
Effect of retrospective adjustment due to accounting standard update		$ (3,400,000)