Share-Based Compensation (Summary of Stock Options Outstanding) (Details) (USD $)	6 Months Ended
	Jun. 25, 2011
$2.00 - $3.00 [Member]
Options Outstanding	11,171
Options Outstanding, Weighted Average Contractual Life (Years)
Options Outstanding, Weighted Average Exercise Price	$ 2.50
Options Exercisable	11,171
Options Exercisable, Weighted Average Exercise Price	$ 2.50
Minimum Exercise Price	$ 2.00
Maximum Exercise Price	$ 3.00
$4.00 - $5.00 [Member]
Options Outstanding	902,779
Options Outstanding, Weighted Average Contractual Life (Years)	4.6
Options Outstanding, Weighted Average Exercise Price	$ 4.73
Options Exercisable	506,227
Options Exercisable, Weighted Average Exercise Price	$ 4.72
Minimum Exercise Price	$ 4.00
Maximum Exercise Price	$ 5.00
$10.00 - $16.00 [Member]
Options Outstanding	900,734
Options Outstanding, Weighted Average Contractual Life (Years)	5.7
Options Outstanding, Weighted Average Exercise Price	$ 14.17
Options Exercisable	294,465
Options Exercisable, Weighted Average Exercise Price	$ 14.52
Minimum Exercise Price	$ 10.00
Maximum Exercise Price	$ 16.00
$16.00 - $17.00 [Member]
Options Outstanding	874,940
Options Outstanding, Weighted Average Contractual Life (Years)	6.6
Options Outstanding, Weighted Average Exercise Price	$ 16.86
Options Exercisable
Options Exercisable, Weighted Average Exercise Price	$ 16.86
Minimum Exercise Price	$ 16.00
Maximum Exercise Price	$ 17.00
$18.00 - $19.00 [Member]
Options Outstanding	975,000
Options Outstanding, Weighted Average Contractual Life (Years)	6.4
Options Outstanding, Weighted Average Exercise Price	$ 18.15
Options Exercisable
Options Exercisable, Weighted Average Exercise Price	$ 18.15
Minimum Exercise Price	$ 18.00
Maximum Exercise Price	$ 19.00
$24.00 - $37.00 [Member]
Options Outstanding	1,056,160
Options Outstanding, Weighted Average Contractual Life (Years)	1.4
Options Outstanding, Weighted Average Exercise Price	$ 32.01
Options Exercisable	1,056,160
Options Exercisable, Weighted Average Exercise Price	$ 32.01
Minimum Exercise Price	$ 24.00
Maximum Exercise Price	$ 37.00