XML 41 R30.htm IDEA: XBRL DOCUMENT v3.7.0.1
Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Property and equipment        
Depreciation expense $ 5,500 $ 4,700 $ 14,100 $ 14,800
Peripheral equipment write down 700 500 3,400 2,500
Payments for Software     $ 19,345 26,321
Capitalized Curriculum Development Costs        
Estimated useful life of the software     5 years  
Capitalized curriculum development additions     $ 12,427 12,206
Amortization expense 5,200 4,300 14,800 12,600
Student and state testing computers        
Property and equipment        
Accelerated Depreciation 1,800 600 $ 2,800 2,100
Student and state testing computers | Minimum        
Property and equipment        
Useful Life     3 years  
Student and state testing computers | Maximum        
Property and equipment        
Useful Life     5 years  
Computer hardware        
Property and equipment        
Useful Life     3 years  
Computer software | Minimum        
Property and equipment        
Useful Life     3 years  
Computer software | Maximum        
Property and equipment        
Useful Life     5 years  
Web site development costs        
Property and equipment        
Useful Life     3 years  
Office equipment        
Property and equipment        
Useful Life     5 years  
Furniture and fixtures        
Property and equipment        
Useful Life     7 years  
Leasehold improvements | Minimum        
Property and equipment        
Useful Life     3 years  
Leasehold improvements | Maximum        
Property and equipment        
Useful Life     12 years  
Capitalized software        
Property and equipment        
Useful Life     3 years  
Amortization expense $ 8,400 $ 8,000 $ 25,200 $ 21,300