SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 26, 2014		Apr. 27, 2013		Apr. 28, 2012
Movement in Valuation Allowances and Reserves [Roll Forward]
Deductions					$ (46,200)
Allowance for Doubtful Accounts, Deducted from Accounts Receivable [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	21,607		22,254		23,435
Charged to Cost and Expenses	(2,926)		495		3,508
Charged to Other Accounts	0		0		0
Deductions	(6,313)	[1]	(1,142)	[1]	(4,689)	[1]
Balance at End of Year	12,368		21,607		22,254
Allowance for Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	6,619		8,258		52,613
Charged to Cost and Expenses	(135)		131		160
Charged to Other Accounts	0		(1,572)	[2]	1,687	[2]
Deductions	(1,784)	[3]	(198)	[3]	(46,202)	[4]
Balance at End of Year	$ 4,700		$ 6,619		$ 8,258

[1] Deductions represented uncollectible accounts written off less recoveries of accounts receivable written off in prior years.

[2] Represents impact of adjusting gross deferred tax assets.

[3] Valuation allowance release.

[4] Represents utilization of loss carryovers.