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Lease Obligations
3 Months Ended
Mar. 31, 2020
Lease Obligations  
Lease Obligations

7. Lease Obligations

The following presents certain information related to the costs for operating leases ($ in thousands):

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Three Months Ended March 31, 

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2020

    

2019

Operating lease cost

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$

31,000

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$

30,202

Short-term lease cost

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​

489

​

​

713

Variable lease cost

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​

5,028

​

​

552

Sublease income

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​

(412)

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​

(305)

Net lease costs

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$

36,105

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$

31,162

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The following presents supplemental cash flow information related to leases ($ in thousands):

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Three Months Ended March 31, 

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​

2020

    

2019

Cash paid for amounts included in the measurement of lease liability:

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Operating cash flows for leases

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$

30,737

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$

30,044

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​

​

​

​

​

​

Operating lease assets obtained in exchange for lease liabilities:

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​

​

​

​

​

New, remeasured, and terminated leases

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$

18,804

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$

23,403

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