Amount of minimum lease payments for capital leases net of executory costs, which include amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
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Note 5 - Leases (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Note 5 - Leases (Details Textual) - USD ($) $ in Millions	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Leases, Rent Expense, Net, Total	$ 19.4	$ 15.5	$ 59.3	$ 55.7
Capital Leases, Future Minimum Payments, Net Minimum Payments, Total	$ 28.3		$ 28.3
Capital Lease Obligations [Member] \| Tractors [Member] \| Minimum [Member]
Debt Instrument, Term			3 years
Capital Lease Obligations [Member] \| Tractors [Member] \| Maximum [Member]
Debt Instrument, Term			5 years
Capital Lease Obligations [Member] \| Trailers [Member] \| Minimum [Member]
Debt Instrument, Term			5 years
Capital Lease Obligations [Member] \| Trailers [Member] \| Maximum [Member]
Debt Instrument, Term			8 years