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Other Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | ---
Net accrued retirement benefits, less amounts recognized within accrued liabilities | $ 70,549 | $ 70,479
Noncurrent portion of deferred income from JV formation | 236,791 | 238,187
Total unrecognized tax benefits, net of offsetting adjustments | 12,541 | 17,239
Acquired unfavorable contracts | 2,859 | 3,148
Deferred economic incentives | 15,685 | 16,196
Other | 13,004 | 15,573
Other liabilities | 358,429 | 368,224
Loss Reserve On Contractual Lease Commitments [Member] |  |
Loss reserve | $ 7,000 | $ 7,402

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