XML 74 R61.htm IDEA: XBRL DOCUMENT v3.7.0.1
Cost Basis Investment - Additional Information (Detail) - USD ($)
shares in Millions, $ in Millions
1 Months Ended 12 Months Ended
Apr. 30, 2013
Jun. 30, 2017
Schedule of Cost-method Investments [Line Items]    
Sale of cost basis investment   $ 2.6
RainDance [Member]    
Schedule of Cost-method Investments [Line Items]    
Impairment on investment   2.4
RainDance [Member] | Other Assets [Member]    
Schedule of Cost-method Investments [Line Items]    
Sale of cost basis investment   $ 2.6
RainDance [Member] | Series E Preferred Stock [Member]    
Schedule of Cost-method Investments [Line Items]    
Shares acquired 28  
Value of shares acquired $ 5.0  
RainDance [Member] | Series E Preferred Stock [Member] | Maximum [Member]    
Schedule of Cost-method Investments [Line Items]    
Percentage of total shares outstanding acquired 5.00%