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Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Jan. 31, 2012
Valuation and Qualifying Accounts and Reserves [Abstract]  
Valuation and Qualifying Accounts and Reserves [Text Block]
VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
 
 
 
Balance at 
Beginning
of Fiscal Year
 
Additions 
Charged
(Credited) to 
Expenses
 
Net Deductions
(Recoveries)
 
Other (1)
 
Balance at End
of Fiscal Year
Allowance for doubtful accounts:
 
 
 
 
 
 
 
 
 
 
Fiscal Year Ended January 31, 2012
 
$
13,237

 
$
5,869

 
$
(6,805
)
 
$
(99
)
 
12,202

Fiscal Year Ended January 31, 2011
 
16,877

 
1,511

 
(6,016
)
 
865

 
13,237

Fiscal Year Ended January 31, 2010
 
15,703

 
3,534

 
(2,833
)
 
473

 
16,877

Inventory obsolescence:
 
 
 
 
 
 
 
 
 
 
Fiscal Year Ended January 31, 2012
 
$
26,409

 
$
5,114

 
$
(7,640
)
 
$
55

 
$
23,938

Fiscal Year Ended January 31, 2011
 
26,801

 
13,038

 
(13,487
)
 
57

 
26,409

Fiscal Year Ended January 31, 2010
 
26,561

 
8,397

 
(8,120
)
 
(37
)
 
26,801

Valuation allowance on income tax assets:
 
 
 
 
 
 
 
 
 
 
Fiscal Year Ended January 31, 2012
 
$
319,679

 
$
20,674

 
$
—

 
$
226

 
$
340,579

Fiscal Year Ended January 31, 2011
 
319,789

 
22,310

 
—

 
(22,420
)
 
319,679

Fiscal Year Ended January 31, 2010
 
285,658

 
38,286

 
—

 
(4,155
)
 
319,789

Warranties: (2)
 
 
 
 
 
 
 
 
 
 
Fiscal Year Ended January 31, 2012
 
$
1,996

 
$
771

 
$
(389
)
 
$
(363
)
 
$
2,015

Fiscal Year Ended January 31, 2011
 
1,292

 
957

 
(121
)
 
(132
)
 
1,996

Fiscal Year Ended January 31, 2010
 
1,188

 
220

 
(42
)
 
(74
)
 
1,292

 
(1)
Primarily consists of (i) the allocation of tax from continuing operations to discontinued operations, additional paid-in capital and other comprehensive income, and (ii) translation adjustments.
(2)
Included in “Accounts payable and accrued expenses” in the consolidated balance sheets.