XML 66 R55.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stockholders' Equity (Details)
1 Months Ended 3 Months Ended
Dec. 31, 2015
USD ($)
Mar. 31, 2016
USD ($)
transaction
$ / shares
Mar. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
Class of Stock [Line Items]        
Up-front payment for common stock   $ 9,013,000 $ 0  
ASR transaction accounted for as a treasury stock repurchase   $ 100,000,000    
ASR [Member]        
Class of Stock [Line Items]        
Stock repurchase program, number of transactions | transaction   2    
December 2015 Repurchase Plan [Member]        
Class of Stock [Line Items]        
Up-front payment for common stock $ 10,000,000      
ASR transaction accounted for as a treasury stock repurchase   $ 500,000    
Treasury stock acquired, average cost per share (in USD per share) | $ / shares   $ 16.11    
Stock repurchased during period, value   $ 600,000    
Stock repurchased during period, average cost per share (in USD per share) | $ / shares   $ 16.15    
Common Class A [Member]        
Class of Stock [Line Items]        
Share repurchase program authorized amount       $ 150,000,000
ASR transaction accounted for as a treasury stock repurchase   $ 50,000,000