Stock-Based Compensation Plans (Summary Of Stock Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Aug. 30, 2014	May 31, 2014
Stock Based Compensation Plans [Abstract]
Options outstanding, Beginning balance, Number of Shares Under Option	7,696
Granted, at fair market value, Number of Shares Under Option	1,387
Exercised, Number of Shares Under Option	(128)
Forfeited, Number of Shares Under Option	(32)
Expired, Number of Shares Under Option	(24)
Options outstanding, Ending balance, Number of Shares Under Option	8,899	7,696
Exercisable at August 30, 2014, Number of Shares Under Option	5,846
Vested and expected to vest at August 30, 2014, Number of Shares Under Option	8,420
Options outstanding, Beginning balance, Weighted Average Exercise Price	$ 18.93
Granted, at fair market value, Weighted Average Exercise Price	$ 12.22
Exercised, Weighted Average Exercise Price	$ 12.44
Forfeited, Weighted Average Exercise Price	$ 12.53
Expired, Weighted Average Exercise Price	$ 20.03
Options outstanding, Ending balance, Weighted Average Exercise Price	$ 18.00	$ 18.93
Exercisable at August 30, 2014, Weighted Average Exercise Price	$ 20.87
Vested and expected to vest at August 30, 2014, Weighted Average Exercise Price	$ 18.34
Options outstanding at August 30, 2014, Weighted Average Remaining Contractual Life (Years)	5 years 7 months 28 days	5 years 2 months 16 days
Exercisable at August 30, 2014, Weighted Average Remaining Contractual Life (Years)	3 years 11 months 27 days
Vested and expected to vest at August 30, 2014, Weighted Average Remaining Contractual Life (in years)	5 years 5 months 12 days
Options outstanding, Beginning balance, Aggregate Intrinsic Value	$ 1,611
Options outstanding, Ending balance, Aggregate Intrinsic Value	12,216	1,611
Exercisable at August 30, 2014, Aggregate Intrinsic Value	2,902
Vested and expected to vest at August 30, 2014, Aggregate Intrinsic Value	$ 10,679