Note 23 - Selected Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

May 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

Fiscal Year Ended	Net Sales		Gross Margin		Income from Operations		Net Loss
May 31, 2013
First Quarter	$	85,154		58,053		13,942		(10,635	)
Second Quarter		82,056		54,890		8,299		(10,399	)
Third Quarter		86,192		56,195		12,844		(5,913	)
Fourth Quarter		94,386		58,623		1,659		(12,195	)
	$	347,788		227,761		36,744		(39,142	)

Fiscal Year Ended	Net Sales		Gross Margin		(Loss) Income from Operations			Net Loss
May 31, 2012
Predecessor
First Quarter	$	74,910		51,955		(6,508	)		(6,374	)
	$	74,910		51,955		(6,508	)		(6,374	)
Successor
First Quarter	$	11,390		4,234		(552	)		(2,442	)
Second Quarter		83,035		40,609		(24,713	)		(30,179	)
Third Quarter		81,370		52,782		9,113			(9,131	)
Fourth Quarter		86,019		58,491		11,553			(7,895	)
	$	261,814		156,116		(4,599	)		(49,647	)