Stockholders' Equity (Tables)

9 Months Ended

Jan. 31, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

A summary of stock option activity for the nine months ended January 31, 2014 is as follows:


	Stock Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value

Outstanding, April 30, 2013		1,442		$	8.48
Granted		157		$	5.65
Exercised		—		$	—			$	—

Forfeited		(158	)	$	7.28

Outstanding, January 31, 2014		1,441		$	8.47		5.2	$	613

Exercisable, January 31, 2014		1,033		$	10.05		3.6	$	301

Schedule of Fair Values of Stock Options Weighted Average Assumptions

The fair value of stock options grants were estimated assuming no expected dividend yield using the following weighted average assumptions for the three and nine months ended January 31, 2014 and 2013:


	Three Months Ended January 31,						Nine Months Ended January 31,
	2014			2013			2014			2013
Stock Options:
Expected life		6.79 years			6.79 years			6.79 years			6.79 years
Risk-free interest rate		2.22	%		1.04	%		2.22	%		1.04	%
Expected volatility		83.96	%		84.55	%		83.96	%		84.55	%

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

A summary of restricted stock, restricted stock unit and performance stock unit activity for the nine months ended January 31, 2014 is as follows:


	Restricted Stock, Restricted Stock Units, and Performance Stock Units (1)			Weighted Average Grant Price		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value

Outstanding, April 30, 2013		1,088		$	5.28
Granted		539		$	4.27
Class A Common Stock Vested		(323	)	$	4.88
Forfeited		(21	)	$	4.55

Outstanding, January 31, 2014		1,283		$	4.97		1.5	$	521

(1)	Performance stock units are included at the 100% attainment level. Attainment of maximum annual returns on net assets could result in the issuance of an additional 354 shares of Class A common stock.

Accumulated Other Comprehensive Income (Loss)

The change in the balances of each component of accumulated other comprehensive income (loss), which is included as a component of our stockholders’ equity, is as follows:


	Marketable Securities		Commodity Hedges

Beginning balance, April 30, 2013	$	27	$	(619	)
Other comprehensive income (loss) before reclassifications		11		(36	)
Amounts reclassified from accumulated other comprehensive income (loss)		—		655

Net current-period other comprehensive income		11		619

Ending balance, January 31, 2014	$	38	$	—

Reclassification out of Accumulated Other Comprehensive Income (Loss)

A summary of reclassifications out of accumulated other comprehensive income (loss) for the three and nine months ended January 31, 2014 and 2013 is as follows:


	Three Months Ended January 31,
	2014			2013
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:
Interest rate contracts	$	—		$	—		Loss on derivative instruments
Commodity hedges		(60	)		(149	)	Loss from equity method investments

		(60	)		(149	)	Loss from continuing operations before income taxes and discontinued operations
		(250	)		—		Provision for income taxes

	$	(310	)	$	(149	)	Loss from continuing operations


	Nine Months Ended January 31,
	2014			2013
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:
Interest rate contracts	$	—		$	(3,625	)	Loss on derivative instruments
Commodity hedges		(405	)		(514	)	Loss from equity method investments

		(405	)		(4,139	)	Loss from continuing operations before income taxes and discontinued operations
		(250	)		—		Provision for income taxes

	$	(655	)	$	(4,139	)	Loss from continuing operations