Stock-Based Compensation Plans (Schedule Of Future Share-Based Compensation Cost) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Remainder of 2012	$ 7,782
2013	11,423
2014	8,111
2015	6,213
2016	4,796
Thereafter	14,889
Total	53,214
Restricted Stock [Member]
Remainder of 2012	2,144
2013	3,256
2014	2,465
2015	2,003
2016	1,703
Thereafter	8,521
Total	20,092
Restricted Stock Units (RSUs) [Member]
Remainder of 2012	5,638
2013	8,167
2014	5,646
2015	4,210
2016	3,093
Thereafter	6,368
Total	$ 33,122

Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs After Five Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Five Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Four Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Three Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Two Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs Remainder Of Fiscal Year

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs Total

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