Equity and Incentive Compensation Plans Equity and Incentive Compensation - Long Term Performance Compensation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Oct. 27, 2012 years	Oct. 29, 2011	Oct. 27, 2012 years	Oct. 29, 2011
Disclosure - Summary of Long Term Performance Compensation [Abstract]
Long-term performance compensation expense total compensation not yet recognized	$ 41.0		$ 41.0
Unrecognized compensation cost long-term performance compensation plan remaining weighted average service period (in years)	2.7		2.7
Long-term performance compensation expense	$ 6.5	$ 6.8	$ 14.7	$ 23.6

This element represents the remaining weighted average service period associated with unrecognized compensation cost related to the as yet nonvested portion of the Company's Long-Term Performance Compensation plan as of the fiscal period ended as indicated herein.

No definition available.

Name:	ann_Unrecognizedcompensationcostlongtermperformancecompensationplanremainingweightedaverageserviceperiod
Namespace Prefix:	ann_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant