Schedule II Valuation And Qualifying Accounts (Details) (Allowance for Doubtful Accounts Receivable and Sales Returns, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2014		Jan. 31, 2013		Jan. 31, 2012
Allowance for Doubtful Accounts Receivable and Sales Returns
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 58,284		$ 56,753		$ 60,584
Charged to cost and expenses	11,725		9,653		10,813
Deductions	(25,187)		(24,425)		(30,772)
Other	13,932	[1]	16,303	[1]	16,128	[1]
Balance at end of period	$ 58,754		$ 58,284		$ 56,753

[1] (1)“Other” primarily includes recoveries, acquisitions and dispositions and the effect of fluctuations in foreign currencies.