Summary of Significant Accounting Policies (Details 7) (Interest rate swap agreement, USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013
Interest Rate Risk Management
Period during which substantially all the gain (loss) included in accumulated other comprehensive income will impact net earnings	3 years
U.S. Revolving Credit Agreement
Interest Rate Risk Management
Fixed rate interest charge (as a percent)	0.42%
U.S. Revolving Credit Agreement | Minimum
Interest Rate Risk Management
Notional amount	25
U.S. Revolving Credit Agreement | Maximum
Interest Rate Risk Management
Notional amount	45