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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2016
Property Plant And Equipment [Abstract]  
Property and Equipment at Cost

Property and equipment at cost consisted of the following as of December 31, 2016 and 2015:

 

 

 

December 31,

 

(Amounts in thousands)

 

2016

 

 

2015

 

Land and improvements

 

$

5,531

 

 

$

5,445

 

Buildings

 

 

73,424

 

 

 

71,926

 

Telephone and computer equipment

 

 

862,352

 

 

 

840,396

 

Office furniture and equipment

 

 

37,043

 

 

 

37,094

 

Leasehold improvements

 

 

57,057

 

 

 

59,384

 

Construction in progress

 

 

52,798

 

 

 

39,433

 

 

 

$

1,088,205

 

 

$

1,053,678

 

 

Future Minimum Payments Under Non-Cancelable Operating Leases

Future minimum payments under non-cancelable operating leases with initial or remaining terms of one year or more are as follows:

 

 

 

Total

 

(Amounts in thousands)

 

Operating

 

Year Ending December 31,

 

Leases

 

2017

 

$

23,954

 

2018

 

 

20,676

 

2019

 

 

17,206

 

2020

 

 

13,470

 

2021

 

 

8,211

 

2022 and thereafter

 

 

43,526

 

Total minimum obligations

 

$

127,043