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Fair Value Measurements (Details) (Recurring [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Assets:
Corporate debt securities	$ 401
Derivative contracts	1,080
Total	1,481
Liabilities:
Derivative contracts	758
Level 1 (1) [Member]
Assets:
Corporate debt securities	401
Derivative contracts
Total	401
Liabilities:
Derivative contracts
Level 2 (2) [Member]
Assets:
Corporate debt securities
Derivative contracts	446
Total	446
Liabilities:
Derivative contracts	183
Level 3 (3) [Member]
Assets:
Corporate debt securities
Derivative contracts	634
Total	634
Liabilities:
Derivative contracts	$ 575

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References+ Details