Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

The components of lease costs were as follows:

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Operating Lease Costs:
Fixed	$	12,719	$	24,963
Variable	1,593		3,640
Short-term	4,873		9,738
Total*	$	19,185	$	38,341
* Finance lease cost and sublease income were immaterial.

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplemental cash flow information were as follows:

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	12,987	$	25,401
Operating cash flows from finance leases	111		219
Financing cash flows from finance leases	531		940
Total	$	13,629	$	26,560
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	8,226		18,934
Finance leases	330		367
Total	$	8,556	$	19,301

Lease Supp Balance Sheet disclosures [Table Text Block]

Supplemental balance sheet information related to leases were as follows:

	June 30, 2019
Operating Leases:
Right of use assets:
Other assets and deferred charges	$	151,833
Lease liabilities:
Other accrued expenses	$	42,584
Other liabilities	116,530
Total operating lease liabilities	$	159,114
Finance Leases:
Right of use assets:
Property, plant and equipment, net (1)	$	9,047
Lease liabilities:
Other accrued expenses	$	1,555
Other liabilities	8,374
Total financing lease liabilities	$	9,929

(1) Finance lease assets are recorded net of accumulated depreciation of $3,870

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The aggregate future lease payments for operating and finance leases as of June 30, 2019 were as follows:

	Operating		Finance
2019 (excluding the six months ending June 30, 2019)	$	24,405	$	1,020
2020	40,624		2,009
2021	31,064		1,897
2022	22,311		1,629
2023	14,280		1,209
Thereafter	43,060		4,058
Total lease payments	175,744		11,822
Less: Interest	(16,630)		(1,893)
Present value of lease liabilities	$	159,114	$	9,929

Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]

The aggregate future lease payments for operating and capital leases as of December 31, 2018 were as follows:

	Operating		Capital
2019	$	49,009	$	1,802
2020	38,620		1,748
2021	29,396		1,687
2022	21,767		1,392
2023	13,994		952
Thereafter	42,087		3,802
Total	$	194,873	$	11,383

Lease Assumptions [Table Text Block]

Average lease terms and discount rates were as follows:

	June 30, 2019
Weighted-average remaining lease term (years)
Operating leases	5.7
Finance leases	6.5
Weighted-average discount rate
Operating leases	3.3%
Finance leases	4.3%