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COMMON STOCK AND TREASURY STOCK (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2017
Jun. 30, 2016
Jun. 30, 2016
Aug. 03, 2016
May 04, 2016
Equity, Class of Treasury Stock [Line Items]          
Common stock, shares authorized (in shares) 500,000,000 500,000,000 500,000,000    
Common stock, shares outstanding (in shares) 80,313,029 81,667,129 81,667,129    
Stock repurchase program one          
Equity, Class of Treasury Stock [Line Items]          
Total number of shares repurchased   1,309,606      
Average price paid per share (in usd per share)   $ 38.18      
Value of total number of shares purchased   $ 50,000,000      
Stock repurchase cost incurred but not yet paid     $ 6,500,000    
Stock repurchase program one | Common Stock          
Equity, Class of Treasury Stock [Line Items]          
Repurchase of common stock         $ 50,000,000
Stock repurchase program two          
Equity, Class of Treasury Stock [Line Items]          
Total number of shares repurchased 1,014,956        
Average price paid per share (in usd per share) $ 49.26        
Value of total number of shares purchased $ 50,000,000        
Stock repurchase program two | Common Stock          
Equity, Class of Treasury Stock [Line Items]          
Repurchase of common stock       $ 50,000,000  
Stock repurchase program three          
Equity, Class of Treasury Stock [Line Items]          
Total number of shares repurchased 917,455        
Average price paid per share (in usd per share) $ 50.43        
Value of total number of shares purchased $ 46,300,000        
Stock repurchase cost incurred but not yet paid 3,000,000        
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 3,700,000        
Stock repurchase program three | Common Stock          
Equity, Class of Treasury Stock [Line Items]          
Repurchase of common stock       $ 50,000,000