XML 81 R62.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurements - Additional Disclosures (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Oct. 27, 2017
Oct. 26, 2017
Sep. 30, 2018
USD ($)
term
Sep. 30, 2017
USD ($)
loan
Sep. 30, 2018
USD ($)
term
Sep. 30, 2017
USD ($)
loan
Sep. 30, 2016
USD ($)
Jul. 31, 2017
USD ($)
Jun. 30, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Gain on restructured notes receivable       $ (3,000) $ 0 $ 3,048 $ 0    
Minimum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Restructured notes receivable, estimated settlement amount     $ 14,000   14,000        
2019 Convertible Notes                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Stated interest rate                 2.125%
2019 Convertible Notes                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Debt repurchase amount               $ 35,000  
Convertible Notes Hedges | Minimum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Fair value     1,000   1,000        
Convertible Notes Hedges | Maximum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Fair value     4,600   4,600        
Convertible Notes Embedded Derivative | Minimum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Fair value     1,000   1,000        
Convertible Notes Embedded Derivative | Maximum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Fair value     4,600   4,600        
Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Principal collections on notes receivable         32,400 $ 29,500      
Number of promissory notes outstanding | loan       2   2      
Notes receivable, related party       $ 60,900   $ 60,900      
Notes receivable outstanding balance       18,300   18,300      
Restructured notes receivable, estimated settlement amount       14,000   14,000      
Adjusted deferred compensation fee with early loan repayment       10,000   10,000      
Gain on restructured notes receivable     3,000            
Dollars denominated notes interest | Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Notes receivable, interest rate 10.00% 4.00%              
Pesos denominated notes interest | Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Notes receivable, interest rate 14.50% 7.50%              
Fee Due Date One | Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Restructured notes receivable, estimated settlement amount       6,000   6,000      
Fee Due Date Two | Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Restructured notes receivable, estimated settlement amount       4,000   4,000      
Fee Due Date Three | Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Restructured notes receivable, estimated settlement amount       $ 4,000   $ 4,000      
Escrow subject to indemnification claims | Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Escrow deposit     $ 4,100   $ 4,100        
Measurement Input, Price Volatility | Convertible Hedges and Embedded Derivative Financial Instruments | Recurring | Minimum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Embedded derivative measurement input     0.36   0.36        
Measurement Input, Price Volatility | Convertible Hedges and Embedded Derivative Financial Instruments | Recurring | Maximum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Embedded derivative measurement input     0.37   0.37        
Measurement Input, Price Volatility | Convertible Notes Hedges | Minimum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Volatility input     0.30   0.30        
Measurement Input, Price Volatility | Convertible Notes Hedges | Maximum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Volatility input     0.45   0.45        
Measurement Input, Price Volatility | Convertible Notes Embedded Derivative | Minimum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Volatility input     0.30   0.30        
Measurement Input, Price Volatility | Convertible Notes Embedded Derivative | Maximum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Volatility input     0.45   0.45        
Measurement Input, Discount Rate | Notes receivable, net (including accreted deferred compensation of $9.2 million and $0.1 million as of September 30, 2018 and 2017, respectively) | Level 3 | Income Approach Valuation Technique | Minimum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Fair value assumptions, discount rate     0.07   0.07        
Measurement Input, Discount Rate | Notes receivable, net (including accreted deferred compensation of $9.2 million and $0.1 million as of September 30, 2018 and 2017, respectively) | Level 3 | Income Approach Valuation Technique | Maximum                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Fair value assumptions, discount rate     0.08   0.08        
Measurement Input, Expected Term | Notes receivable, net (including accreted deferred compensation of $9.2 million and $0.1 million as of September 30, 2018 and 2017, respectively) | Not primary beneficiary, variable interest                  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]                  
Debt instrument, expected term input | term     2   2