Debt Table (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015 note		Feb. 01, 2014 note
Debt Instrument [Line Items]
Number of unsecured senior notes held	3		2
Long-term debt	$ 398,375		$ 150,000
Series A Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	85,000		85,000
Series B Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	65,000		65,000
3.375% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Long-term debt	$ 248,375	[1]	$ 0

[1] Net of unamortized discount of $1.6 million at January 31, 2015.