Earnings Per Common Share (Tables)

3 Months Ended

Jul. 31, 2017

Earnings Per Share [Abstract]

Basic Earnings Per Common Share

Basic earnings per common share:

	Three Months Ended July 31, 2017						Three Months Ended July 31, 2016
	Class A Common Shares			Class B Common Shares			Class A Common Shares			Class B Common Shares
Distributed earnings	$	0.11		$	0.11		$	0.11		$	0.11
Undistributed earnings		(0.02	)		(0.02	)		(0.05	)		(0.05	)
Total	$	0.09		$	0.09		$	0.06		$	0.06
Distributed earnings	$	3,014		$	256		$	2,933		$	268
Undistributed earnings		(502	)		(43	)		(1,383	)		(130	)
Total	$	2,512		$	213		$	1,550		$	138
Basic weighted average common shares outstanding		27,307			2,364			26,457			2,481

Diluted Earnings Per Share for Class A Common Shares Using If-Converted Method

Diluted EPS for Class A Common Shares Using the If-Converted Method

Three Months Ended July 31, 2017

	Undistributed & Distributed Earnings to Class A Common Shares		Class A Common Shares		EPS*
Per Basic	$	2,512		27,307	$	0.09
Common Stock Equivalents		—		318		—
		2,512		27,625		0.09
Class B Common Share Conversion		213		2,364		—
Diluted EPS for Class A Common Shares	$	2,725		29,989	$	0.09

Three Months Ended July 31, 2016

	Undistributed & Distributed Earnings to Class A Common Shares		Class A Common Shares		EPS*
Per Basic	$	1,550		26,457	$	0.06
Common Stock Equivalents		—		316		—
		1,550		26,773		0.06
Class B Common Share Conversion		138		2,481		—
Diluted EPS for Class A Common Shares	$	1,688		29,254	$	0.06

Diluted Earnings Per Share for Class B Common Shares Using Two-Class Method

Diluted EPS for Class B Common Shares Using the Two-Class Method

Three Months Ended July 31, 2017

	Undistributed & Distributed Earnings to Class B Common Shares		Class B Common Shares		EPS*
Per Basic	$	213		2,364	$	0.09
Reallocation of undistributed earnings to Class A Common Shares from Class B Common Shares		—		—		—
Diluted EPS for Class B Common Shares	$	213		2,364	$	0.09

Three Months Ended July 31, 2016

	Undistributed & Distributed Earnings to Class B Common Shares		Class B Common Shares		EPS*
Per Basic	$	138		2,481	$	0.06
Reallocation of undistributed earnings to Class B Common Shares from Class A Common Shares		2		—		—
Diluted EPS for Class B Common Shares	$	140		2,481	$	0.06

* Amounts adjusted for rounding