CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Net loss	$ (14,098)us-gaap_NetIncomeLoss	$ (39,227)us-gaap_NetIncomeLoss	$ (64,593)us-gaap_NetIncomeLoss	$ (94,640)us-gaap_NetIncomeLoss
Other comprehensive (loss) income:
Foreign currency translation adjustment	(49,522)	(1,127)	(77,740)	5,477
Defined Benefit Plan, Amortization of Gains (Losses)	(759)	0
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax			(734)	0
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	58	0	29	0
Total other comprehensive (loss) income, net	(50,223)	(1,127)	(78,445)	5,477
Comprehensive loss	$ (64,321)us-gaap_ComprehensiveIncomeNetOfTax	$ (40,354)us-gaap_ComprehensiveIncomeNetOfTax	$ (143,038)us-gaap_ComprehensiveIncomeNetOfTax	$ (89,163)us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The amount of gains or losses recognized in net periodic benefit cost.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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