Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 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 nine months ended September 30, 2016 and 2015:

	For the Nine Months Ended
	September 30,
	2016		2015
SUPPLEMENTAL DISCLOSURE OF CASH FLOW    INFORMATION:
Cash paid during the period for interest	$	121,998	$	113,690
Cash paid during the period for income taxes, net of    refunds of $4,811 and $3,841	$	39,195	$	89,635
SUPPLEMENTAL DISCLOSURE OF NONCASH    INVESTING ACTIVITIES:
Accrued obligations for the purchase of property and    equipment	$	3,863	$	12,380
SUPPLEMENTAL DISCLOSURE OF NONCASH    FINANCING ACTIVITIES:
Accrued dividends	$	1,327	$	1,040