Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of long-term debt outstanding

Outstanding long-term debt was as follows:

	March 31, 2018		December 31, 2017
Senior long-term debt:
Senior Secured Credit Facility (stated maturity dates April 2022 and April 2024), net of discount	$	1,292,452	$	1,625,344
Senior Notes (stated maturity dates May 2025)	800,000		800,000
Total senior long-term debt	2,092,452		2,425,344
Other debt:
Lines of credit	60,915		55,799
Notes payable and other debt	758,416		753,439
Total senior and other debt	2,911,783		3,234,582
Capital lease obligations and sale-leaseback financings	172,684		234,356
Total long-term debt	3,084,467		3,468,938
Less: total unamortized deferred financing costs	100,395		107,640
Less: current portion of long-term debt	131,738		154,234
Long-term debt, less current portion	$	2,852,334	$	3,207,064

Schedule estimated fair values of debt

The estimated fair value of our debt was as follows:

	March 31, 2018				December 31, 2017
	Carrying amount		Estimated fair value		Carrying amount		Estimated fair value
Total senior and other debt	$	2,911,783	$	2,974,383	$	3,234,582	$	3,293,258