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Earnings per Share (Tables)
 12 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table presents the calculations of earnings per share:

Years ended June 30,
2016
 
2015
 
2014
(In thousands except per share data)
 
 
 
 
 
Net earnings
$
33,937

 
$
136,791

 
$
113,541

Basic average shares outstanding
44,606

 
44,522

 
44,636

Dilutive effect of stock options and equivalents
751

 
801

 
774

Diluted average shares outstanding
45,357

 
45,323

 
45,410

Earnings per share
 
 
 
 
 
Basic
$
0.76

 
$
3.07

 
$
2.54

Diluted
0.75

 
3.02

 
2.50