Guarantees (Tables)

6 Months Ended

Jul. 31, 2011

Notes to financial statements [Abstract]

Estimated Product Warranty Liabilities

Three Months Ended					Six Months Ended
	July 31, 2011			August 1, 2010			July 31, 2011				August 1, 2010
	(In thousands)
Balance at beginning of period	$	80,724		$	47,563			$	107,896		$	92,655
Additions (1)		1,578			189,928				2,984			191,098
Deductions (2)		(28,484	)		(33,802	)			(57,062	)		(80,064	)
Balance at end of period	$	53,818		$	203,689			$	53,818		$	203,689

(1)  Includes $186,241 for the three and six months ended August 1, 2010 for incremental repair and replacement costs from a weak die/packaging material set.

(2)  Includes $27,066 and $54,286 for the three and six months ended July 31, 2011, respectively, and $27,891 and $64,819 for the three and six months ended August 1, 2010, respectively.