XML 44 R53.htm IDEA: XBRL DOCUMENT v2.4.0.6
Financial Instruments and Fair Value Measurements - Recurring Fair Value Measurements (Detail) (USD $)
In Millions, unless otherwise specified
Jan. 31, 2013
Fair Value Assets Measured On Recurring Basis [Line Items]  
Total Fair Value $ (2.1)
Other long-term liabilities [Member] | Interest rate derivatives [Member]
 
Fair Value Assets Measured On Recurring Basis [Line Items]  
Total Fair Value (1.2)
Other current assets [Member] | Foreign exchange hedges [Member]
 
Fair Value Assets Measured On Recurring Basis [Line Items]  
Foreign exchange hedges included in other current assets 1.8
Other current liabilities [Member] | Foreign exchange hedges [Member]
 
Fair Value Assets Measured On Recurring Basis [Line Items]  
Total Fair Value (2.7)
Level 2 [Member]
 
Fair Value Assets Measured On Recurring Basis [Line Items]  
Total Fair Value (2.1)
Level 2 [Member] | Other long-term liabilities [Member] | Interest rate derivatives [Member]
 
Fair Value Assets Measured On Recurring Basis [Line Items]  
Total Fair Value (1.2)
Level 2 [Member] | Other current assets [Member] | Foreign exchange hedges [Member]
 
Fair Value Assets Measured On Recurring Basis [Line Items]  
Foreign exchange hedges included in other current assets 1.8
Level 2 [Member] | Other current liabilities [Member] | Foreign exchange hedges [Member]
 
Fair Value Assets Measured On Recurring Basis [Line Items]  
Total Fair Value $ (2.7)