Subesequent Events (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		10 Months Ended
	Jan. 25, 2013		Jan. 25, 2013		Feb. 15, 2013	Apr. 27, 2012
Subsequent Event [Line Items]
Subsequent Event, Amount					$ 50,000
Subsequent Event, Amount Per Share	$ 0.275
Long Term Debt [Abstract]
Total Long-Term Liabilities	128,536	[1]	128,536	[1]		236,307
Long-term debt	811	[1]	811	[1]		97,145
Subsequent Events Letter of Intent Date			Jan. 28, 2013
Subsequent Events Effective Sale Date			Feb. 15, 2013
Subsequent Events Cash					20,000
Subsuequent Events Note Payable					$ 30,000
Subsequent Events Interest Rate					1.50%
Subsequent Events Term					7
Share Repurchase Program			$25,000
Minimum [Member]
Long Term Debt [Abstract]
Required Notice			30 days
Maximum [Member]
Long Term Debt [Abstract]
Required Notice			60 days

[1] Unaudited