v3.2.0.727
Fair Value of Financial Instruments - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)
Jun. 30, 2015
Jun. 30, 2014
Cash and cash equivalents:    
Money market funds [1] $ 65,500,000 $ 138,900,000
Other current assets:    
Available-for-sale equity securities 100,000 100,000
Other non-current assets:    
Available-for-sale equity securities 25,600,000 20,900,000
Total 91,200,000 159,900,000
Liabilities    
Contingent consideration obligations: 15,700,000 1,300,000
Total 15,700,000 1,300,000
Level 1 [Member]    
Cash and cash equivalents:    
Money market funds [1] 65,500,000 138,900,000
Other current assets:    
Available-for-sale equity securities 100,000 100,000
Other non-current assets:    
Available-for-sale equity securities 24,500,000 19,800,000
Total 90,100,000 158,800,000
Liabilities    
Contingent consideration obligations: 0 0
Total 0 0
Level 2 [Member]    
Cash and cash equivalents:    
Money market funds [1] 0 0
Other current assets:    
Available-for-sale equity securities 0 0
Other non-current assets:    
Available-for-sale equity securities 0 0
Total 0 0
Liabilities    
Contingent consideration obligations: 0 0
Total 0 0
Level 3 [Member]    
Cash and cash equivalents:    
Money market funds [1] 0 0
Other current assets:    
Available-for-sale equity securities 0 0
Other non-current assets:    
Available-for-sale equity securities 1,100,000 1,100,000
Total 1,100,000 1,100,000
Liabilities    
Contingent consideration obligations: 15,700,000 1,300,000
Total $ 15,700,000 $ 1,300,000
[1] Money market funds include MMDA account balances of $34.0 million and $71.6 million as of June 30, 2015 and 2014, respectively.