Leases - Balance Sheet Information (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Operating leases
Other assets	$ 96,258
Other current liabilities	(51,327)
Other long-term liabilities	(50,996)
Total operating lease liabilities	(102,323)
Financing leases
Other property and equipment, at cost	2,677
Accumulated depreciation	(1,095)
Net property and equipment	1,582
Other current liabilities	(1,098)
Other long-term liabilities	(481)
Total financing lease liabilities	$ (1,579)