Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
Income Tax Disclosure [Abstract]
U.S. statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	0.80%	1.20%	0.40%
Net changes in deferred tax valuation allowances	(19.50%)	(9.00%)	(3.40%)
Tax on foreign earnings different than U.S. rate	(11.70%)	(9.90%)	(9.90%)
Nondeductible penalties	0.00%	0.50%	0.00%
Nondeductible interest	6.40%	0.80%	1.60%
Reserve established for foreign income tax contingencies	0.30%	0.50%	0.10%
Reversal of previously accrued income tax reserves	0.00%	0.00%	(0.40%)
Effect of company-owned life insurance	(0.60%)	(0.40%)	0.00%
Disposal of subsidiaries	0.00%	0.00%	3.20%
Other, net	1.20%	1.40%	(0.50%)
Effective tax rate	11.90%	20.10%	26.10%