Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

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

Future minimum lease payments under the operating leases as of December 31, 2019 are:

	As of December 31, 2019
Maturity of Lease Liabilities (in thousands)	Operating Leases
2020	$	125,231
2021	90,330
2022	64,279
2023	44,113
2024	25,467
Thereafter	43,105
Total lease payments	$	392,525
Less: imputed interest	(23,195		)
Present value of lease liabilities	$	369,330

Future minimum lease payments under the non-cancelable operating leases (with initial lease terms in excess of one year) as of December 31, 2018 were:

(in thousands)	Operating Leases
Year ending December 31,
2019	$	80,803
2020	65,590
2021	49,052
2022	37,823
2023	30,192
Thereafter	48,191
Total minimum lease payments	$	311,651

Lease, Cost [Table Text Block]

Lease expense recognized in the Consolidated Statements of Income is summarized as follows:

Lease Expense (in thousands)	Income Statement Classification	Year ended December 31, 2019
Operating lease expense	Selling, general and administrative and Direct operating costs	$	130,487
Variable lease expense	Selling, general and administrative and Direct operating costs	43,907
Total lease expense		$	174,394

Lessee, Operating Lease, Disclosure [Table Text Block]

Lease Term and Discount Rate of Operating Leases	As of December 31, 2019
Weighted- average remaining lease term (years)	4.4
Weighted- average discount rate	3.1	%

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

The following table presents supplemental cash flow and non-cash information related to leases:

Other Information (in thousands)	Year ended December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities (a)	$	129,609
Supplemental non-cash information on lease liabilities arising from obtaining ROU assets:
ROU assets obtained in exchange for new operating lease liabilities	$	229,107