Earnings Per Common Share (Tables)

9 Months Ended

Jan. 31, 2017

Earnings Per Share [Abstract]

Basic Earnings Per Common Share

Basic earnings per common share:

	Three Months Ended January 31, 2017						Nine Months Ended January 31, 2017
	Class A			Class B			Class A			Class B
Distributed earnings	$	0.11		$	0.11		$	0.32		$	0.32
Undistributed earnings		(0.03	)		(0.03	)		(0.17	)		(0.17	)
Total	$	0.08		$	0.08		$	0.15		$	0.15
Distributed earnings	$	2,943		$	267		$	8,583		$	778
Undistributed earnings		(887	)		(80	)		(4,596	)		(422	)
Total	$	2,056		$	187		$	3,987		$	356
Basic weighted average common shares outstanding		26,901			2,432			26,687			2,448
	Three Months Ended January 31, 2016						Nine Months Ended January 31, 2016
	Class A			Class B			Class A			Class B
Distributed earnings	$	0.10		$	0.10		$	0.30		$	0.30
Undistributed earnings		(0.03	)		(0.03	)		(0.06	)		(0.06	)
Total	$	0.07		$	0.07		$	0.24		$	0.24
Distributed earnings	$	2,626		$	259		$	7,841		$	776
Undistributed earnings		(704	)		(70	)		(1,620	)		(161	)
Total	$	1,922		$	189		$	6,221		$	615
Basic weighted average common shares outstanding		26,191			2,587			26,097			2,587

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 January 31, 2017

	Undistributed & Distributed Earnings to Class A Common		Class A Common Shares		EPS*
Per Basic	$	2,056		26,901	$	0.08
Common Stock Equivalents		—		297		—
		2,056		27,198		0.08
Class B Conversion		187		2,432		—
Diluted EPS for Class A Common Shares	$	2,243		29,630	$	0.08

Nine Months Ended January 31, 2017

	Undistributed & Distributed Earnings to Class A Common		Class A Common Shares		EPS*
Per Basic	$	3,987		26,687	$	0.15
Common Stock Equivalents		—		312		—
		3,987		26,999		0.15
Class B Conversion		357		2,448		—
Diluted EPS for Class A Common Shares	$	4,343		29,447	$	0.15

Three Months Ended January 31, 2016

	Undistributed & Distributed Earnings to Class A Common		Class A Common Shares		EPS
Per Basic	$	1,922		26,191	$	0.07
Common Stock Equivalents		—		329		—
		1,922		26,520		0.07
Class B Conversion		189		2,587		—
Diluted EPS for Class A	$	2,111		29,107	$	0.07

Nine Months Ended January 31, 2016

	Undistributed & Distributed Earnings to Class A Common		Class A Common Shares		EPS
Per Basic	$	6,221		26,097	$	0.24
Common Stock Equivalents		—		289		—
		6,221		26,386		0.24
Class B Conversion		615		2,587		—
Diluted EPS for Class A	$	6,836		28,973	$	0.24

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 January 31, 2017

	Undistributed & Distributed Earnings to Class B Common		Class B Common Shares		EPS*
Per Basic	$	187		2,432	$	0.08
Reallocation of undistributed earnings to Class A Common Shares from Class B Common Shares		2		—		—
Diluted EPS for Class B Common Shares	$	189		2,432	$	0.08

Nine Months Ended January 31, 2017

	Undistributed & Distributed Earnings to Class B Common		Class B Common Shares		EPS*
Per Basic	$	356		2,448	$	0.15
Reallocation of undistributed earnings to Class B Common Shares from Class A Common Shares		6		—		—
Diluted EPS for Class B Common Shares	$	362		2,448	$	0.15

Three Months Ended January 31, 2016

	Undistributed & Distributed Earnings to Class B Common		Class B Common Shares		EPS
Per Basic	$	189		2,587	$	0.07
Reallocation of undistributed loss to Class A shares from Class B shares		1		—		—
Diluted EPS for Class B	$	190		2,587	$	0.07

Nine Months Ended January 31, 2016

	Undistributed & Distributed Earnings to Class B Common		Class B Common Shares		EPS
Per Basic	$	615		2,587	$	0.24
Reallocation of undistributed earnings to Class A shares from Class B shares		2		—		—
Diluted EPS for Class B	$	617		2,587	$	0.24

* Amounts adjusted for rounding