Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Before Tax

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- Definition

Contracts weighted average rate price.

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Debt Conversion, Converted Instrument, Cash Received

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Time to expiration of outstanding foreign currency contracts.

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- Definition

Fair value of insurance contracts as of the reporting date.

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No definition available.

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- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

+ References

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- Definition

Amount of revenue earned from products sold or services provided under the terms of a contract, including, but not limited to, government contracts and construction contracts, classified as other.

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- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

No definition available.

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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- Definition

Average contractual rate at which a foreign currency can be purchased or sold.

+ References

No definition available.

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- Definition

The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

+ References

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- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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- Definition

The gross value of stock issued during the period upon the conversion of convertible securities.

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- Definition

Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.

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FAIR VALUE MEASUREMENTS (Details) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 17, 2017 USD ($) shares	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($) shares	Mar. 31, 2018 AUD ($)	Mar. 31, 2018 USD ($) $ / shares	Mar. 31, 2018 USD ($)	Sep. 30, 2017
Australian Dollar Forward Contract [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Gains recorded in Other Income for settled contracts		$ 27,000			$ 34,000
Australian Dollar Forward Contract [Member] \| Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Contracts revenue				$ 14,500
Contracts weighted average rate price (in dollars per share) \| $ / shares					$ 1.30
AOCI currency translation adjustment before tax						$ 746,000
AOCI currency translation adjustment after tax						$ 528,000
Australian Dollar Forward Contract [Member] \| Designated as Hedging Instrument [Member] \| Minimum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration				3 years	3 years
Australian Dollar Forward Contract [Member] \| Designated as Hedging Instrument [Member] \| Maximum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration				179 days	179 days
British Pound Sterling Forward Contract [Member] \| Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Contracts revenue				$ 911
Contracts weighted average rate price (in dollars per share) \| $ / shares					$ 0.71
Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Derivative asset, notional amount				$ 3,358
Derivative, average forward exchange rate				1.29		1.29
Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member] \| Minimum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration				30 days	30 days
Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member] \| Maximum [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Foreign currency contracts duration				178 days	178 days
Fair Value, Inputs, Level 2 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Insurance contracts fair value						$ 2,957,000
Fair Value, Inputs, Level 2 [Member] \| Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments		(145,000)			$ 92,000
Senior Notes 2022 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Debt instrument, interest rate, effective percentage				5.25%		5.25%	5.25%
Senior Notes 2022 [Member] \| Fair Value, Inputs, Level 1 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Convertible debt, fair value disclosures						$ 1,006,300,000
Convertible Notes 2017 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Debt instrument, interest rate, effective percentage	4.00%
Debt conversion, converted instrument, amount	$ 173,855,000		$ 173,855,000
Debt conversion, converted instrument, cash received	125,000,000		$ 125,000,000
Issuance of treasury stock in settlement of convertible debt	$ 48,858,000
Debt conversion, converted instrument, shares issued \| shares	1,954,993		1,954,993
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Trading securities						4,972,000
Portion at Other than Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Trading securities						$ 3,086,000
Other Income [Member] \| Fair Value, Inputs, Level 2 [Member] \| Canadian Dollar Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
FAIR VALUE MEASUREMENTS (Details) [Line Items]
Realized gains (losses)		$ 71,000			$ 42,000