Fair Value Measurements and Disclosures (Tables)

6 Months Ended

Jul. 28, 2012

Fair Value Measurements and Disclosures [Abstract]

Summary of company's financial instruments

	Carrying Amount at July 28, 2012		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
Financial assets:
Cash and cash equivalents	$	146,470	$	32,134	$	114,336	$	—
Long-term tenant allowance receivables		917		—		—		917
	Carrying Amount at January 28, 2012		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
Financial assets:
Cash and cash equivalents	$	157,185	$	62,881	$	94,304	$	—
Long-term tenant allowance receivables		875		—		—		875
	Carrying Amount at July 30, 2011		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
Financial assets:
Cash and cash equivalents	$	109,566	$	23,394	$	86,172	$	—
Short-term investments		38,230		—		38,243		—
Long-term tenant allowance receivables		836		—		—		836