XML 51 R41.htm IDEA: XBRL DOCUMENT v3.5.0.2
FAIR VALUE MEASUREMENTS (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Jun. 30, 2016
Jun. 30, 2015
Sep. 30, 2015
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Investment sales   $ 715,000 $ 715,000 $ 8,891,000  
Gain on settlement of available-for-sale securities       489,000  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax       $ 870,000  
Australian Dollar Forward Contract [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Gains recorded in Other Income for settled contracts $ (465)   120    
Australian Dollar Forward Contract [Member] | Designated as Hedging Instrument [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Contracts Revenue     $ 32,000,000    
Contracts Weighted Average Rate Price     $ 1.35    
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Before Tax 952,000   $ 952,000    
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 695,000   $ 695,000    
Australian Dollar Forward Contract [Member] | Designated as Hedging Instrument [Member] | Minimum [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Foreign currency contracts duration     28 days    
Australian Dollar Forward Contract [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Foreign currency contracts duration     270 days    
Canadian Dollar Forward Contracts [Member] | Not Designated as Hedging Instrument [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Derivative asset, notional amount $ 3,383,000   $ 3,383,000    
Derivative, average forward exchange rate 1.30   1.30    
Canadian Dollar Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Minimum [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Foreign currency contracts duration     29 days    
Canadian Dollar Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Maximum [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Foreign currency contracts duration     339 days    
Fair Value, Inputs, Level 2 [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Insurance contracts fair value $ 3,229,000   $ 3,229,000    
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 $ 0   $ 242,000    
Convertible Notes 2017 [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Debt instrument, interest rate, effective percentage 4.00%   4.00%    
Convertible Notes 2017 [Member] | Fair Value, Inputs, Level 1 [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Convertible debt, fair value disclosures $ 121,438,000   $ 121,438,000    
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 $ 703,250,000   $ 703,250,000    
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Trading securities 1,259,000   1,259,000    
Portion at Other than Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Trading securities 1,000,000   1,000,000    
Other Nonoperating Income (Expense) [Member]          
FAIR VALUE MEASUREMENTS (Details) [Line Items]          
Available-for-sale Securities, Gross Realized Losses   $ 13,000      
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) $ (70)   $ 107