Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

19. SUPPLEMENTAL CASH FLOW INFORMATION

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