Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow Information

	Year Ended December 31,
	2015		2014		2013
Cash paid during the period for:
Interest	$	96,958	$	98,754	$	114,301
Income taxes	52,040		16,610		17,585
Non-cash investing and financing activities:
Issuance of stock dividend	584		520		450
Acquisitions	—		—		84,859
Non-controlling interest	—		2,733		87,657
Debt retired in conversion to stock	25,000		132,530		43,222
Embedded derivative, net retired in conversion to stock	889		6,680		17,377