Annual report pursuant to Section 13 and 15(d)

Income taxes (Details)

v2.4.0.8
Income taxes (Details) (USD $)
 12 Months Ended 1 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Nov. 18, 2014
Subsequent events
Income before income taxes:        
United States $ 180,820,000 $ 139,716,000 $ 93,475,000  
Foreign 46,549,000 49,306,000 38,031,000  
Income before income taxes 227,369,000 189,022,000 131,506,000  
Current provision:        
Federal 55,656,000 43,199,000 36,371,000  
State and local 12,003,000 11,257,000 9,006,000  
Foreign 11,416,000 14,821,000 13,572,000  
Total current provision 79,075,000 69,277,000 58,949,000  
Deferred tax expense (benefit):        
Federal 1,750,000 2,741,000 (1,272,000)  
State and local 181,000 851,000 (471,000)  
Foreign 967,000 (1,196,000) (1,531,000)  
Total deferred tax expense (benefit) 2,898,000 2,396,000 (3,274,000)  
Provision for income taxes 81,973,000 71,673,000 55,675,000  
Reconciliation of actual provision for income taxes and provision for income taxes resulting from the use of federal statutory income tax        
Federal income tax provision at statutory rate of 35% 79,579,000 66,158,000 46,027,000  
State income taxes, net of federal benefit 7,920,000 8,151,000 5,561,000  
Foreign taxation (3,909,000) (3,715,000) (1,844,000)  
Permanent items 1,286,000 708,000 2,808,000  
Tax credits (1,623,000) (217,000) (109,000)  
True up to prior year     2,715,000  
Valuation allowance on net operating loss carryforwards (962,000)   305,000  
Other (318,000) 588,000 212,000  
Provision for income taxes 81,973,000 71,673,000 55,675,000  
Statutory income tax rate (as a percent) 35.00% 35.00% 35.00%  
Deferred tax assets-current:        
Deferred revenue 19,815,000 10,930,000    
Costs deductible in future periods 14,944,000 21,186,000    
Net operating loss carryforwards 207,000      
Other   544,000    
Total deferred tax assets-current 34,966,000 32,660,000    
Deferred tax liabilities-current:        
Accounts receivable-unbilled 6,858,000 6,217,000    
Net deferred tax asset-current 28,108,000 26,443,000    
Deferred tax assets-non-current:        
Net operating loss carryforwards 2,355,000 4,080,000    
Valuation allowance on net operating loss carryforwards   (968,000)    
Net operating loss carryforwards net of valuation reserve 2,355,000 3,112,000    
Deferred revenue 7,089,000 10,340,000    
Stock compensation 4,100,000 4,601,000    
Costs deductible in future periods 1,662,000 1,528,000    
Other 7,828,000 5,360,000    
Total deferred tax assets-non-current 23,034,000 24,941,000    
Deferred tax liabilities-non-current        
Amortization of goodwill and intangible assets 20,261,000 19,383,000    
Capitalized software 12,057,000 9,045,000    
Property and equipment 10,045,000 10,127,000    
Deferred contract costs 1,762,000 2,059,000    
Other 292,000 686,000    
Total deferred tax liability-non-current 44,417,000 41,300,000    
Net deferred tax liability-non-current 21,383,000 16,359,000    
Net deferred tax asset (liability)        
Net deferred tax liability-non-current 21,383,000 16,359,000    
Cumulative earnings from foreign subsidiaries 173,000,000      
Income taxes paid 79,400,000 58,200,000 44,300,000  
Cash and cash equivalents of foreign subsidiaries 95,000,000      
Remittance from an international subsidiary as a return of capital       $ 32,000,000