Debt (Components Of Debt) (Details) (USD $)																	12 Months Ended
	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012		Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2013 Senior Notes	Sep. 30, 2012 Senior Notes	Jan. 31, 2012 Senior Notes	Jan. 31, 2013 Loan Payable To Brightstar Corporation, Interest At LIBOR Plus 4.0% Payable Annually, Due September 2015	Jan. 31, 2012 Loan Payable To Brightstar Corporation, Interest At LIBOR Plus 4.0% Payable Annually, Due September 2015	Jan. 31, 2013 Interest-Free Revolving Credit Loan Payable To Brightstar Corporation	Jan. 31, 2012 Interest-Free Revolving Credit Loan Payable To Brightstar Corporation	Jan. 31, 2013 Other Committed And Uncommitted Revolving Credit Facilities, Expiring On Various Dates Through Fiscal 2017	Jan. 31, 2011 Other Committed And Uncommitted Revolving Credit Facilities, Expiring On Various Dates Through Fiscal 2017	Jan. 31, 2012 Other Committed And Uncommitted Revolving Credit Facilities, Expiring On Various Dates Through Fiscal 2017
Debt Instrument [Line Items]
Debt, stated interest rate in percentage											3.75%
Debt, face value										$ 350,000,000	$ 350,000,000	$ 0
Less-unamortized debt discount										(1,238,000)	(1,300,000)	0
Senior notes, net										348,762,000		0
Capital leases	6,243,000				6,512,000
Loan payable to Brightstar Corp., interest at LIBOR plus 4.0% payable annually, due September 2015													0	14,940,000
Revolving credit loan															0	36,306,000	166,975,000		47,985,000
Debt and capital lease obligations	521,980,000				105,743,000
Less-current maturities (included as Revolving credit loans and current portion of long-term debt, net)	(167,522,000)	(65,848,000)	(37,912,000)	(30,933,000)	(48,490,000)	[1]	(411,909,000)	(424,320,000)	(418,444,000)
Long-term debt	$ 354,458,000	$ 354,267,000	$ 53,659,000	$ 57,816,000	$ 57,253,000	[1]	$ 61,223,000	$ 62,810,000	$ 64,889,000
Revolving credit loans, interest rate																	2.09%	7.15%
Debt instrument expiration year																	2017

[1] See Note 2 - Restatement of Consolidated Financial Statements.