Annual report pursuant to Section 13 and 15(d)

Income taxes (Details)

v3.3.0.814
Income taxes (Details) - USD ($)
 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Income before income taxes:      
United States $ 232,359,000 $ 180,820,000 $ 139,716,000
Foreign 27,460,000 46,549,000 49,306,000
Income before income taxes 259,819,000 227,369,000 189,022,000
Current provision:      
Federal 74,050,000 55,656,000 43,199,000
State and local 15,332,000 12,003,000 11,257,000
Foreign 9,581,000 11,416,000 14,821,000
Total current provision 98,963,000 79,075,000 69,277,000
Deferred tax expense (benefit):      
Federal 2,233,000 1,750,000 2,741,000
State and local 403,000 181,000 851,000
Foreign (1,829,000) 967,000 (1,196,000)
Total deferred tax expense (benefit) 807,000 2,898,000 2,396,000
Provision for income taxes 99,770,000 81,973,000 71,673,000
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% 90,937,000 79,579,000 66,158,000
State income taxes, net of federal benefit 9,847,000 7,920,000 8,151,000
Foreign taxation (2,208,000) (3,909,000) (3,715,000)
Permanent items 1,602,000 1,286,000 708,000
Tax credits (961,000) (1,623,000) (217,000)
Valuation allowance on net operating loss carryforwards   (962,000)  
Other 553,000 (318,000) 588,000
Provision for income taxes $ 99,770,000 $ 81,973,000 $ 71,673,000
Statutory income tax rate (as a percent) 35.00% 35.00% 35.00%
Deferred tax assets-current:      
Deferred revenue $ 12,320,000 $ 19,815,000  
Costs deductible in future periods 15,467,000 14,944,000  
Net operating loss carryforwards 777,000 207,000  
Other 26,000    
Total deferred tax assets-current 28,590,000 34,966,000  
Deferred tax liabilities-current:      
Accounts receivable-unbilled 9,598,000 6,858,000  
Net deferred tax asset-current 18,992,000 28,108,000  
Deferred tax assets-non-current:      
Net operating loss carryforwards 139,000 2,355,000  
Net operating loss carryforwards net of valuation reserve 139,000 2,355,000  
Deferred revenue 9,127,000 7,089,000  
Stock compensation 4,600,000 4,100,000  
Costs deductible in future periods 10,429,000 1,662,000  
Other 441,000 7,828,000  
Total deferred tax assets-non-current 24,736,000 23,034,000  
Deferred tax liabilities-non-current      
Amortization of goodwill and intangible assets 22,061,000 20,261,000  
Capitalized software 9,781,000 12,057,000  
Property and equipment 6,353,000 10,045,000  
Deferred contract costs   1,762,000  
Employee benefit costs 759,000    
Other 941,000 292,000  
Total deferred tax liability-non-current 39,895,000 44,417,000  
Net deferred tax liability-non-current 15,159,000 $ 21,383,000  
Cumulative earnings from foreign subsidiaries 190,000,000    
Deferred taxes on cumulative earnings $ 0