Note 17 - Share-Based Compensation (Tables)

12 Months Ended

May 31, 2014

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

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Year Ended May 31, 2014		Year Ended May 31, 2013		Year Ended May 31, 2012
Risk-free interest rate (1)		0.42%		0.24%		0.24%
Expected volatility (2)		45.00%		50.00%		50.00%
Expected life (years) (3)		3.50		4.70		4.70
Expected dividend yield (4)		None		None		None

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)		Aggregate Intrinsic Value (1)
Service-based options outstanding at June 1, 2014		148,429		$	100.00
Granted		4,250			100.00
Exercised		-			-
Forfeited		(7,200	)		100.00
Expired or cancelled		(4,200	)		100.00
Service-based options outstanding at May 31, 2014		141,279			100.00		7.8	$	-
Exercisable at May 31, 2014		51,661			100.00		7.6		-

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)		Aggregate Intrinsic Value (1)
Performance or market-based options outstanding at June 1, 2014		141,529		$	100.00
Granted		4,250			100.00
Exercised		-			-
Forfeited		(9,500	)		100.00
Expired or cancelled		-			-
Performance or market-based options outstanding at May 31, 2014		136,279			100.00		7.8	$	-
Exercisable at May 31, 2014		-			-		-		-

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	Number of Shares			Weighted-Average Grant-Date Fair Value
Nonvested restricted stock units outstanding at June 1, 2014		2,900		$	78.64
Granted		1,600			90.72
Vested		(2,100	)		78.64
Forfeited		-			-
Nonvested restricted stock units outstanding at May 31, 2014		2,400			86.93

	Number of Shares			Weighted-Average Grant-Date Fair Value
Stock appreciation rights outstanding at June 1, 2014		127,300		$	20.59
Granted		47,200			16.79
Vested		-			-
Forfeited		(27,300	)		16.79
Cancelled/Expired		-			-
Stock appreciation rights outstanding at May 31, 2014		147,200			16.79

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

							Successor			Predecessor
							August 20, 2011			June 1, 2011
	Year Ended						Through			Through
	May 31, 2014			May 31, 2013			May 31, 2012			August 19, 2011
Share-based compensation	$	1,512		$	1,423			753			16,233
Tax benefit		(584	)		(549	)		(264	)		(5,682	)
Share-based compensation, net		928			874			489			10,551