Balance Sheet Details - Other Non Current Assets (Detail) (USD $) In Millions, unless otherwise specified	Jan. 25, 2013	Apr. 27, 2012
Other Assets [Line Items]
Auction rate securities	$ 42.2	$ 51.0
Restricted cash	2.6	2.6
Deferred tax assets	174.0	203.8
Other assets	237.4	170.0
Other non-current assets	$ 456.2	$ 427.4

Total of debt securities categorized neither as held-to-maturity nor trading which are intended be sold or mature more than one year from the balance sheet date or operating cycle, if longer.

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+ Details

- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed after one year (or the normal operating cycle, if longer).

+ References+ Details