Long-Term Obligations (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term obligations consisted of the following at December 31, 2016 and 2015 (in thousands):

		2016			2015
Senior term notes	Principal amount	$	869,000		$	585,000
	Less unamortized debt issuance costs	(2,605		)	(2,408		)
	Notes payable, maturing in 2021, secured by assets, variable interest rate (2.28% and 1.92% at 2016 and 2015, respectively)	$	866,395		$	582,592
Revolving credit	Principal amount	$	400,000		$	232,000
	Less unamortized debt issuance costs	(4,093		)	(3,725		)
	Revolving line of credit, maturing in 2021, secured by assets, variable interest rate (2.28% at 2016 and 1.92% at 2015)	$	395,907		$	228,275
Secured seller notes	Notes payable matures in 2017, secured by assets and stock of certain subsidiaries, with interest rate of 10.0%	230			230
	Other Debt	1,801			—
	Total debt obligations	$	1,264,333		$	811,097
	Capital lease obligations	83,384			55,244
		1,347,717			866,341
	Less — current portion	(38,320		)	(33,623		)
		$	1,309,397		$	832,718

Schedule of Maturities of Long-term Debt

The annual aggregate scheduled maturities of our long-term obligations for the five years subsequent to December 31, 2016 are presented below (in thousands):

	Debt Obligations		Capital Lease Obligations		Total
2017	$	33,465	$	4,855	$	38,320
2018	44,418		5,262		49,680
2019	55,179		5,450		60,629
2020	77,179		5,073		82,252
2021	1,060,178		4,560		1,064,738
Thereafter	612		58,184		58,796
Total	$	1,271,031	$	83,384	$	1,354,415

Summary of Leverage Ratio in Effect From Time to Time

Each of the aforementioned margins remain applicable until the date of delivery of the compliance certificate and the financial statements, for the period ended December 31, 2016, at which time the applicable margin will be determined by reference to the leverage ratio in effect from time to time as set forth in the following table:

Pricing Tier	Consolidated Leverage Ratio	Applicable Margin for Eurodollar Loans/Letter of Credit Fees		Applicable Margin for Base Rate Loans		Commitment Fee
1	≥ 3.50:1.00	2.00	%	1.00	%	0.40	%
2	< 3.50:1.00 and ≥ 2.75:1.00	1.75	%	0.75	%	0.35	%
3	< 2.75:1.00 and ≥ 1.75:1.00	1.50	%	0.50	%	0.30	%
4	< 1.75:1.00 and ≥ 1.00:1.00	1.25	%	0.25	%	0.25	%
5	< 1.00:1.00	1.00	%	—	%	0.25	%

Scheduled Principal Payments for Senior Term Notes

The following table sets forth the scheduled principal payments for the senior credit facility (in thousands):

	2017		2018		2019		2020		Thereafter
Senior term notes	$	33,000	$	44,000	$	55,000	$	77,000	$	660,000
Revolving loans	—		—		—		—		400,000
	$	33,000	$	44,000	$	55,000	$	77,000	$	1,060,000