Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2015	Jan. 31, 2015
Current assets:
Cash and cash equivalents	$ 249,773	$ 230,281
Trade accounts receivable, net of allowance for doubtful accounts of $3,585 as of April 30, 2015 and $4,217 as of January 31, 2015	437,930	546,622
Other receivables	26,077	20,984
Inventory	23,205	22,512
Prepaid expenses and other	25,769	22,357
Deferred income taxes	22,860	23,490
Total current assets	785,614	866,246
Property, plant, and equipment, net of accumulated depreciation of $340,341 as of April 30, 2015 and $334,619 as of January 31, 2015	167,088	170,737
Term receivables	282,343	301,862
Goodwill	603,278	599,929
Intangible assets, net of accumulated amortization of $213,919 as of April 30, 2015 and $209,931 as of January 31, 2015	47,624	45,577
Other assets	64,456	64,671
Total assets	1,950,403	2,049,022
Current liabilities:
Short-term borrowings	2,065	7,228
Accounts payable	9,645	12,687
Income taxes payable	223	5,994
Accrued payroll and related liabilities	53,596	108,553
Accrued and other liabilities	46,804	47,728
Deferred revenue	233,475	259,340
Total current liabilities	345,808	441,530
Notes payable	235,604	230,400
Deferred revenue	19,117	21,251
Income tax liability	19,105	19,279
Other long-term liabilities	47,723	50,336
Total liabilities	667,357	762,796
Commitments and contingencies
Noncontrolling interest with redemption feature	12,535	13,372
Stockholders' equity:
Common stock, no par value, 300,000 shares authorized as of April 30, 2015 and January 31, 2015; 116,181 shares issued and outstanding as of April 30, 2015 and 115,790 shares issued and outstanding as of January 31, 2015	845,764	832,612
Retained earnings	435,902	451,901
Accumulated other comprehensive loss	(11,383)	(11,887)
Noncontrolling interest	228	228
Total stockholders’ equity	1,270,511	1,272,854
Total liabilities and stockholders' equity	$ 1,950,403	$ 2,049,022