Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2012

Other Comprehensive Income [Abstract]

Schedule Of The Tax Effects Allocated To Each Component Of Other Comprehensive Income

Quarters Ended March 31,	2012		2011
Unrealized gain on derivative instrument	$	—	$	115
Income tax expense		—		44
Unrealized gain on derivative instrument, net of tax		—		71
Unrealized gain on available-for-sale securities		25		11
Income tax expense		9		4
Unrealized gain on available-for-sale securities, net of tax		16		7
Other comprehensive income	$	16	$	78

Schedule Of Accumulated Other Comprehensive Loss

Quarters Ended March 31,	2012		2011
Derivative instrument:
Beginning balance	$	—	$	238
Current period other comprehensive income		—		71
Ending balance		—		167
Available-for-sale securities:
Beginning balance		352		355
Current period other comprehensive income		16		7
Ending balance		336		348
Accumulated other comprehensive loss, net of tax	$	336	$	515