Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 31, 2013	Jan. 31, 2013
Current assets:
Cash and cash equivalents	$ 209,564	$ 223,783
Short-term investments	4,143	0
Trade accounts receivable, net of allowance for doubtful accounts of $4,814 as of July 31, 2013 and $5,331 as of January 31, 2013	365,511	412,245
Other receivables	16,561	10,974
Inventory	20,912	18,036
Prepaid expenses and other	25,211	24,941
Deferred income taxes	9,167	14,973
Total current assets	651,069	704,952
Property, plant, and equipment, net of accumulated depreciation of $308,639 as of July 31, 2013 and $300,914 as of January 31, 2013	159,616	162,402
Term receivables	216,066	250,497
Goodwill	537,392	535,932
Intangible assets, net of accumulated amortization of $190,950 as of July 31, 2013 and $186,060 as of January 31, 2013	17,855	21,838
Other assets	68,529	69,663
Total assets	1,650,527	1,745,284
Current liabilities:
Short-term borrowings	4,166	5,964
Accounts payable	13,606	20,906
Income taxes payable	4,609	9,180
Accrued payroll and related liabilities	52,710	101,354
Accrued and other liabilities	35,223	40,662
Deferred revenue	205,641	233,759
Total current liabilities	315,955	411,825
Notes payable	221,353	218,546
Deferred revenue	14,996	17,755
Income tax liability	18,525	22,663
Other long-term liabilities	25,314	28,318
Total liabilities	596,143	699,107
Commitments and contingencies
Noncontrolling interest with redemption feature	13,768	12,698
Stockholders' equity:
Common stock, no par value, 300,000 shares authorized as of July 31, 2013 and January 31, 2013; 113,115 shares issued and outstanding as of July 31, 2013 and 112,902 shares issued and outstanding as of January 31, 2013	813,367	810,902
Retained earnings	209,341	197,178
Accumulated other comprehensive income	17,908	25,399
Total stockholders' equity	1,040,616	1,033,479
Total liabilities and stockholders' equity	$ 1,650,527	$ 1,745,284