Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2014	Jan. 31, 2014
Current assets:
Cash and cash equivalents	$ 175,825	$ 293,322
Short-term investments	0	3,990
Trade accounts receivable, net of allowance for doubtful accounts of $3,484 as of April 30, 2014 and $5,469 as of January 31, 2014	420,595	454,483
Other receivables	17,353	15,506
Inventory	26,207	25,121
Prepaid expenses and other	25,356	24,031
Deferred income taxes	9,576	13,656
Total current assets	674,912	830,109
Property, plant, and equipment, net of accumulated depreciation of $328,933 as of April 30, 2014 and $320,827 as of January 31, 2014	157,843	160,165
Term receivables	264,843	270,365
Goodwill	573,653	549,044
Intangible assets, net of accumulated amortization of $198,986 as of April 30, 2014 and $195,752 as of January 31, 2014	44,507	22,799
Other assets	75,304	71,627
Total assets	1,791,062	1,904,109
Current liabilities:
Short-term borrowings	1,352	9,590
Accounts payable	15,947	21,548
Income taxes payable	0	3,365
Accrued payroll and related liabilities	57,911	102,848
Accrued and other liabilities	41,353	42,457
Deferred revenue	221,916	231,179
Total current liabilities	338,479	410,987
Notes payable	225,755	224,261
Deferred revenue	20,953	17,398
Income tax liability	20,675	18,431
Other long-term liabilities	25,799	32,259
Total liabilities	631,661	703,336
Commitments and contingencies
Noncontrolling interest with redemption feature	14,568	15,479
Stockholders' equity:
Common stock, no par value, 300,000 shares authorized as of April 30, 2014 and January 31, 2014; 113,869 shares issued and outstanding as of April 30, 2014 and 115,722 shares issued and outstanding as of January 31, 2014	803,242	838,939
Retained earnings	319,890	327,552
Accumulated other comprehensive income, net of tax	21,701	18,803
Total stockholders' equity	1,144,833	1,185,294
Total liabilities and stockholders' equity	$ 1,791,062	$ 1,904,109