Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Schedule of Components of Lease Assets and Liabilities [Table Text Block]

Leases	Classification	June 30, 2019
Assets
Operating	Operating lease right-of-use assets	$	200,734
Finance	Property and equipment, net		18,927
Total leased assets		$	219,661
Liabilities
Current
Operating	Current portion of operating lease liabilities	$	58,162
Finance	Current maturities of long-term debt and finance leases		7,897
Noncurrent
Operating	Noncurrent operating lease liabilities		142,356
Finance	Long-term debt and finance leases, net of current maturities		7,831
Total lease liabilities		$	216,246

Lease, Cost [Table Text Block]

			Three Months		Six Months
			Ended		Ended
Lease Cost	Classification	June 30, 2019		June 30, 2019
Operating lease cost	Vehicle rents and General and other operating	$	19,072	$	39,239
Finance lease cost:
Amortization of finance lease assets	Depreciation and amortization		797		1,605
Interest on lease liabilities	Interest expense		278		596
Short-term lease cost	General and other operating		792		1,103
Total lease cost		$	20,939	$	42,543

Schedule of Leases Cash Flow Information [Table Text Block]

	Six Months
	Ended June
Cash Flow Information	30, 2019
Cash paid for operating leases included in operating activities	$	39,239
Cash paid for finance leases included in operating activities	$	596
Cash paid for finance leases included in financing activities	$	4,544
Operating lease right-of-use assets obtained in exchange for lease obligations	$	54,053
Operating lease right-of-use assets and liabilities relieved in conjunction with divesture of Xpress Internacional	$	2,018

Lease, Term and Discount Rate [Table Text Block]

	Weighted‑Average	Weighted-
	Remaining Lease	Average
Lease Term and Discount Rate	Term (years)	Discount Rate
Operating leases	4.2	5.0	%
Finance leases	3.3	5.3	%

Operating and Finance Lease, Liability, Maturity [Table Text Block]

	June 30, 2019
	Finance		Operating
2019	$	2,667	$	35,232
2020		7,522		60,236
2021		4,081		49,226
2022		1,423		34,454
2023		1,423		23,187
Thereafter		296		21,893
		17,412		224,228
Less:  Amount representing interest		(1,684)		(23,710)
Total	$	15,728	$	200,518

Contractual Obligation, Fiscal Year Maturity [Table Text Block]

	December 31, 2018
	Capital		Operating
2019	$	7,797	$	60,303
2020		7,564		42,632
2021		4,086		35,302
2022		1,427		20,751
2023		1,427		15,884
Thereafter		297		14,080
		22,598	$	188,952
Less:  Amount representing interest		(2,285)
		20,313
Less:  Current portion		(6,711)
	$	13,602