Stock-Based Employee Compensation (Summary Of Non-Vested Shares) (Details) (USD $)	12 Months Ended
	Dec. 30, 2014	Dec. 31, 2013	Dec. 25, 2012
Stock-Based Employee Compensation [Abstract]
Non-vested shares at beginning of year	1,326,375
Non-vested shares, Granted	82,375
Non-vested shares, Vested	(375,000)
Non-vested shares, Forfeited	(59,500)
Non-vested shares at end of period	974,250	1,326,375
Non-vested shares, Weighted average Grant-Date Fair Value, Beginning of year	$ 6.84
Non-vested shares, Weighted average Grant-Date Fair Value, Granted	$ 8.85	$ 8.30	$ 4.82
Non-vested shares, Weighted average Grant-Date Fair Value, Vested	$ 6.61
Non-vested shares, Weighted average Grant-Date Fair Value, Forfeited	$ 7.41
Non-vested shares, Weighted average Grant-Date Fair Value, End of period	$ 7.08	$ 6.84