XML 113 R16.htm IDEA: XBRL DOCUMENT v2.4.0.6
Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive loss consists of the following components (in thousands): 
 
Net Unrealized
Gains (Losses)
on Marketable
Securities
 
Unrecognized
Pension and
Postretirement
Benefit Costs
 
Net Losses
on Cash Flow
Hedges
 
Accumulated
Other
Comprehensive
Loss
Balance at December 31, 2008
$
(6,159
)
 
$
(9,834
)
 
$
(13,371
)
 
$
(29,364
)
Other comprehensive income (loss)
15,034

 
(49,709
)
 
317

 
(34,358
)
Income tax benefit (expense)
(3,007
)
 
16,957

 
(115
)
 
13,835

Balance at December 31, 2009
5,868

 
(42,586
)
 
(13,169
)
 
(49,887
)
Other comprehensive income
6,787

 
17,351

 
338

 
24,476

Income tax expense
(1,357
)
 
(6,287
)
 
(122
)
 
(7,766
)
Balance at December 31, 2010
11,298

 
(31,522
)
 
(12,953
)
 
(33,177
)
Other comprehensive income (loss)
2,928

 
(76,985
)
 
361

 
(73,696
)
Income tax benefit (expense)
(563
)
 
30,134

 
(203
)
 
29,368

Balance at December 31, 2011
$
13,663

 
$
(78,373
)
 
$
(12,795
)
 
$
(77,505
)