Annual report pursuant to Section 13 and 15(d)

Amortized Cost and Market Value of Available-For-Sale Securities by Major Security Type (Detail)

v2.4.0.8
Amortized Cost and Market Value of Available-For-Sale Securities by Major Security Type (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Jun. 30, 2013
Schedule of Available-for-sale Securities [Line Items]    
Cost $ 40,736 $ 241,032
Market 48,361 301,527
State and municipal debt securities
    
Schedule of Available-for-sale Securities [Line Items]    
Cost 3,525 179,463
Market 3,525 179,764
Corporate debt securities
    
Schedule of Available-for-sale Securities [Line Items]    
Cost 100 12,804
Market 100 12,817
Foreign corporate debt securities
    
Schedule of Available-for-sale Securities [Line Items]    
Cost 0 4,484
Market 0 4,490
Certificates of deposit
    
Schedule of Available-for-sale Securities [Line Items]    
Cost 7,639 14,809
Market 7,639 14,809
Equity Securities
    
Schedule of Available-for-sale Securities [Line Items]    
Cost 29,472 29,472
Market $ 37,097 $ 89,647