Label	Element	Value
Finance Lease [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	$ 581,594,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	398,834,000
Fleet Loans Revolving Credit [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	547,000,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	567,000,000
Real estate loan (amortizing term) [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	85,413,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	92,913,000
Capital Lease Obligations [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	561,351,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	734,870,000
Working Capital Loans [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	535,000,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	519,000,000
Senior Loans [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	2,143,383,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	2,029,878,000
Other Obligations [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	84,877,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	84,484,000
Rental Truck (amortizing loans) First Loan [Member]
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	169,840,000
Debt Instrument Carrying Amount	us-gaap_DebtInstrumentCarryingAmount	$ 224,089,000