Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2014	Jan. 31, 2013
Current assets:
Cash and cash equivalents	$ 293,322	$ 223,783
Short-term investments	3,990	0
Trade accounts receivable, net of allowance for doubtful accounts of $5,469 as of January 31, 2014 and $5,331 as of January 31, 2013	454,483	412,245
Other receivables	15,506	10,974
Inventory	25,121	18,036
Prepaid expenses and other	24,031	24,941
Deferred income taxes	13,656	14,973
Total current assets	830,109	704,952
Property, plant, and equipment, net	160,165	162,402
Term receivables	270,365	250,497
Goodwill	549,044	535,932
Intangible assets, net	22,799	21,838
Other assets	71,627	69,663
Total assets	1,904,109	1,745,284
Current liabilities:
Short-term borrowings	9,590	5,964
Accounts payable	21,548	20,906
Income taxes payable	3,365	9,180
Accrued payroll and related liabilities	102,848	101,354
Accrued and other liabilities	42,457	40,662
Deferred revenue	231,179	233,759
Total current liabilities	410,987	411,825
Notes payable	224,261	218,546
Deferred revenue	17,398	17,755
Income tax liability	18,431	22,663
Other long-term liabilities	32,259	28,318
Total liabilities	703,336	699,107
Commitments and contingencies (Note 8)
Noncontrolling interest with redemption feature	15,479	12,698
Stockholders' equity:
Common stock, no par value, 300,000 shares authorized as of January 31, 2014 and January 31, 2013; 115,722 shares issued and outstanding as of January 31, 2014 and 112,902 shares issued and outstanding as of January 31, 2013	838,939	810,902
Retained earnings	327,552	197,178
Accumulated other comprehensive income	18,803	25,399
Total stockholders' equity	1,185,294	1,033,479
Total liabilities and stockholders' equity	$ 1,904,109	$ 1,745,284