Long-Term Debt and Capital Leases (Tables)

12 Months Ended

Dec. 31, 2015

Components of Long-Term Debt and Capital Leases

Long-term debt and capital leases consist of the following:


	December 31,				April 30,
	2015		2014		2014
Senior Secured Asset-Based Revolving Credit Facility:

Due February 2020; bearing interest at one month LIBOR plus 2.25%	$	57,422	$	—	$	—
Senior Secured Revolving Credit Facility:

Due March 2016; bore interest at one month LIBOR plus 3.75%		—		131,300		133,860
Tax-Exempt Bonds:

New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014 due December 2044 - fixed rate interest period through 2019, bearing interest at 3.75%		25,000		25,000		—

Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-2 due January 2025 - fixed rate interest period through 2017, bearing interest at 6.25%		21,400		21,400		21,400

Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015 due August 2035 - fixed rate interest period through 2025, bearing interest at 5.125%		15,000		—		—

Vermont Economic Development Authority Solid Waste Disposal Long-Term Revenue Bonds Series 2013 due April 2036 - fixed rate interest period through 2018, bearing interest at 4.75%		16,000		16,000		16,000

Business Finance Authority of the State of New Hampshire Solid Waste Disposal Revenue Bonds Series 2013 due April 2029 - fixed rate interest period through 2019, bearing interest at 4.00%		11,000		11,000		—

Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-1; letter of credit backed due January 2025 - variable rate interest period through 2017, bearing interest at SIFMA Index		3,600		3,600		3,600

Business Finance Authority of the State of New Hampshire Solid Waste Disposal Revenue Bonds Series 2013; letter of credit backed due April 2029 - converted to fixed rate interest period, bore interest at SIFMA Index		—		—		5,500
Other:

Capital leases maturing through April 2023, bearing interest at up to 7.70%		4,130		3,295		3,710

Notes payable maturing through December 2017, bearing interest at up to 7.00%		1,167		435		440
Senior Subordinated Notes:

Due February 2019; bearing interest at 7.75% (including unamortized discount of $1,372, $1,319 and $1,491)		368,928		323,681		323,509

		523,647		535,711		508,019

Less—current maturities of long-term debt		1,448		1,656		885

	$	522,199	$	534,055	$	507,134

Components of Interest Expense

The components of interest expense are as follows:


	Fiscal Year Ended			Eight Months Ended			Fiscal Year Ended April 30,
	December 31, 2015			December 31, 2014			2014			2013
Interest expense on long-term debt and capital leases	$	35,868		$	23,065		$	34,216		$	36,955
Amortization of debt financing costs		3,613			2,020			2,757			3,325
Amortization of debt discounts		364			173			243			626
Letter of credit fees		637			714			1,215			1,032
Less: capitalized interest		(62	)		(333	)		(256	)		(368	)

Total interest expense	$	40,420		$	25,639		$	38,175		$	41,570

Schedule of Future Maturities of Debt

Aggregate principal maturities of long-term debt and capital leases are as follows:


Estimated Future Payments as of December 31, 2015:
2016	$	1,448
2017		856
2018		633
2019 (1)		369,609
2020		58,402
Thereafter		92,699

	$	523,647

(1)	Includes unamortized discount of $1,372 on 2019 Notes.