Earnings Per Share (Tables)

3 Months Ended

Oct. 31, 2013

Earnings Per Share [Abstract]

Schedule of numerators and denominators used in basic and diluted EPS calculations

The following table reconciles the numerators and denominators used in the basic and diluted EPS calculations:

	Three months ended October 31,
	2013		2012
Numerator:
Net income for basic calculation	$	5,305,000	7,435,000
Effect of dilutive securities:
Interest expense (net of tax) on 3.0% convertible senior notes	1,117,000		1,117,000
Numerator for diluted calculation	$	6,422,000	8,552,000
Denominator:
Denominator for basic calculation	16,454,000		17,379,000
Effect of dilutive securities:
Stock-based awards	75,000		159,000
Conversion of 3.0% convertible senior notes	6,169,000		5,906,000
Denominator for diluted calculation	22,698,000		23,444,000