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Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2016
Supplemental Cash Flow Elements [Abstract]  
Supplemental Information About Cash Flows

The following table summarizes, in thousands, supplemental information about our cash flows for the years ended December 31, 2016, 2015 and 2014:

 

 

 

Years Ended December 31,

 

 

 

2016

 

 

2015

 

 

2014

 

SUPPLEMENTAL DISCLOSURE OF CASH FLOW

   INFORMATION:

 

 

 

 

 

 

 

 

 

 

 

 

Cash paid for interest

 

$

138,295

 

 

$

141,048

 

 

$

231,946

 

Cash paid for income taxes, net of $5,890, $7,500

   and $13,336 for refunds in 2016, 2015 and 2014

 

$

75,748

 

 

$

108,090

 

 

$

93,875

 

SUPPLEMENTAL DISCLOSURE OF NONCASH

   INVESTING ACTIVITIES:

 

 

 

 

 

 

 

 

 

 

 

 

Accrued obligations for the purchase of property plant

   and equipment

 

$

1,079

 

 

$

9,006

 

 

$

20,275

 

SUPPLEMENTAL DISCLOSURE OF NONCASH

   FINANCING ACTIVITIES:

 

 

 

 

 

 

 

 

 

 

 

 

Net settlement of stock options exercised

 

$

—

 

 

$

—

 

 

$

10

 

Net settlement of shares issued from the deferred

   compensation plan

 

$

987

 

 

$

2,949

 

 

$

527

 

Vesting of restricted stock

 

$

1,924

 

 

$

2,742

 

 

$

—

 

Accrued dividends

 

$

1,723

 

 

$

1,419

 

 

$

63