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Accrued Liabilities (Tables)

6 Months Ended

Nov. 30, 2012

Accrued Liabilities [Abstract]

Accrued liabilities

		Nov 30, 2012				May 31, 2012
		(in thousands)
Payroll and related expenses		$	8,585			$	7,754
Accrued severance			2,901				2,087
Deferred revenue			2,957				3,138
Royalties			1,913				2,258
Sales and franchise taxes			1,287				1,092
Interest rate swap liability			1,059				—
Other			4,048				4,473
Total		$	22,750			$	20,802

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- Definition

Tabular disclosure of the components of accrued liabilities.

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