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Stockholders' (Deficit) Equity (Tables)

8 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Activity

The following table summarizes stock option activity for transition period 2014.

		Stock Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value
Outstanding, April 30, 2014			1,368			$	8.65
Granted			200			$	4.86
Exercised			(33	)		$	4.30
Forfeited			(155	)		$	13.17
Outstanding, December 31, 2014			1,380			$	7.70				5.3			$	55
Exercisable, December 31, 2014			857			$	9.58				3.2			$	46
Expected to vest, December 31, 2014			1,379			$	7.70				5.3			$	55

Schedule of Fair Value of Stock Options Weighted Average Assumptions

The weighted average fair value of stock options granted during transition period 2014, fiscal year 2014, fiscal year 2013 and fiscal year 2012 were $3.62, $4.22, $3.03 and $4.14 per option, respectively, which were calculated assuming no expected dividend yield using the following weighted average assumptions:

		Eight Months Ended December 31, 2014				Fiscal Year Ended April 30,
						2014				2013				2012
Expected life			7.00 years				6.79 years				6.82 years				5.50 years
Risk-free interest rate			2.15	%			2.22	%			1.14	%			0.82	%
Expected volatility			82.76	%			83.96	%			84.40	%			91.54	%

Summary of Restricted Stock, Restricted Stock Unit and Performance Stock Unit Activity

The following table summarizes restricted stock, restricted stock unit and performance stock unit activity for transition period 2014.

		Restricted Stock, Restricted Stock Units, and Performance Stock Units				Weighted Average Grant Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value
Outstanding, April 30, 2014 (1)			1,077			$	4.77
Granted			370			$	4.91
Class A Common Stock Vested			(363	)		$	4.89
Forfeited			(36	)		$	4.44
Outstanding, December 31, 2014 (1)			1,048			$	4.79				1.5			$	24
Expected to vest, December 31, 2014			694			$	4.64				1.8			$	24

(1) Outstanding performance stock units are included at the 100% attainment level. As of December 31, 2014, 250 performance stock units, which mature on April 30, 2015, are outstanding. Attainment of maximum annual returns on net assets could result in the issuance of an additional 250 shares of Class A common stock.

Summary of Grant Activity for Other Stock Awards

The following table summarizes the grant activity for other stock awards for transition period 2014, fiscal year 2014, fiscal year 2013 and fiscal year 2012, respectively:

		Granted				Weighted Average Grant Date Fair Value				Unvested at December 31, 2014
Fiscal year 2012 grants
Restricted stock units			305			$	6.12				—
Performance stock units			255			$	6.06				—
Restricted stock awards			51			$	5.83				—
Total			611								—
Fiscal year 2013 grants
Restricted stock units			340			$	5.15				84
Performance stock units			316			$	5.17				250
Restricted stock awards			79			$	4.45				26
Total			735								360
Fiscal year 2014 grants
Restricted stock units			482			$	4.09				284
Restricted stock awards			60			$	5.81				40
Total			542								324
Transition period 2014 grants
Restricted stock units			277			$	5.28				271
Restricted stock awards			93			$	3.78				93
Total			370								364

Accumulated Other Comprehensive Income (Loss)

The changes in the balances of each component of accumulated other comprehensive income (loss) for transition period 2014, fiscal year 2014, fiscal year 2013 and fiscal year 2012 are as follows:

		Marketable Securities				Commodity Hedges				Interest Rate Swaps				Total
Balance as of April 30, 2011		$	8			$	370			$	—			$	378
Other comprehensive income (loss) before reclassifications			(4	)			621				(2,369	)			(1,752	)
Amounts reclassified from accumulated other comprehensive income (loss)			—				(578	)			—				(578	)
Net current-period other comprehensive loss			(4	)			43				(2,369	)			(2,330	)
Balance as of April 30, 2012			4				413				(2,369	)			(1,952	)
Other comprehensive income (loss) before reclassifications			23				(1,653	)			(1,257	)			(2,887	)
Amounts reclassified from accumulated other comprehensive income (loss)			—				621				3,626				4,247
Net current-period other comprehensive income			23				(1,032	)			2,369				1,360
Balance as of April 30, 2013			27				(619	)			—				(592	)
Other comprehensive income (loss) before reclassifications			12				(36	)			—				(24	)
Amounts reclassified from accumulated other comprehensive income (loss)			—				655				—				655
Net current-period other comprehensive income			12				619				—				631
Balance as of April 30, 2014			39				—				—				39
Other comprehensive income (loss) before reclassifications			19				—				—				19
Net current-period other comprehensive income			19				—				—				19
Balance as of December 31, 2014		$	58			$	—			$	—			$	58

Reclassification Out of Accumulated Other Comprehensive Income (Loss)

A summary of reclassifications out of accumulated other comprehensive income (loss) for transition period 2014, fiscal year 2014, fiscal year 2013 and fiscal year 2012 is as follows:

		Eight Months Ended December 31, 2014				Fiscal Year Ended April 30,
						2014				2013				2012
Details About Accumulated Other Comprehensive Income (Loss) Components		Amount Reclassified Out of Accumulated Other Comprehensive Income (Loss)																Affected Line Item in the Consolidated Statements of Operations
Loss on derivative instruments:
Commodity Hedges		$	—			$	—			$	—			$	130			Revenues
GreenFiber Commodity hedges			—				(405	)			(621	)			547			Loss from equity method investments
Interest rate contracts			—				—				(3,626	)			—			Loss (gain) on derivative instruments
			—				(405	)			(4,247	)			677			Loss from continuing operations before income taxes and discontinued operations
			—				(250	)			—				(99	)		Provision (benefit) for income taxes
		$	—			$	(655	)		$	(4,247	)		$	578			Loss from continuing operations

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