Equity Method Investments (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
---|---|---|---|---|---|---|
Jul. 24, 2017 |
Jul. 25, 2016 |
Jun. 30, 2019 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Apr. 30, 2019 |
|
Schedule of Equity Method Investments [Line Items] | ||||||
Payments to acquire | $ 0 | $ 5,000 | ||||
Equity method investment, gain | $ 15,800 | $ 15,769 | $ 0 | |||
SDC | ||||||
Schedule of Equity Method Investments [Line Items] | ||||||
Ownership | 2.00% | 17.00% | ||||
Payments to acquire | $ 12,800 | $ 46,700 | ||||
SDC | ||||||
Schedule of Equity Method Investments [Line Items] | ||||||
Derecognized equity method investment | $ 38,400 | |||||
Short-term notes receivable | SDC | ||||||
Schedule of Equity Method Investments [Line Items] | ||||||
Promissory note receivable | $ 54,200 |