Debt (Tables)

6 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Schedule of long-term debt outstanding

Outstanding long-term debt was as follows:

	June 30, 2017		December 31, 2016
Senior long-term debt:
Senior Secured Credit Facility (stated maturity dates April 2022 and April 2024 as of June 30, 2017; stated maturity dates June 2018, June 2019 and March 2021 as of December 31, 2016), net of discount	$	1,580,352	$	1,497,869
Senior Notes (stated maturity dates May 2025 and September 2019), net of discount	1,048,662		1,388,036
Total senior long-term debt	2,629,014		2,885,905
Other debt:
Lines of credit	65,971		66,081
Notes payable and other debt	660,434		650,184
Total senior and other debt	3,355,419		3,602,170
Capital lease obligations and sale-leaseback financings	260,651		250,842
Total long-term debt	3,616,070		3,853,012
Less: total unamortized deferred financing costs	111,789		44,648
Less: current portion of long-term debt	212,568		178,989
Long-term debt, less current portion	$	3,291,713	$	3,629,375

Schedule estimated fair values of debt

The estimated fair value of our debt was as follows:

	June 30, 2017				December 31, 2016
	Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Total senior and other debt	$	3,355,419	$	3,417,320	$	3,602,170	$	3,632,853