Quarterly report pursuant to Section 13 or 15(d)

Changes in Accumulated Other Comprehensive Loss by Component (Details)

v2.4.0.8
Changes in Accumulated Other Comprehensive Loss by Component (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period $ (862) $ (7,084)
Other comprehensive earning (loss) before reclassifications (2) (8)
Amounts reclassified from accumulated other comprehensive loss 30 417
Balance at the end of the period (834) (6,675)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
   
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period (184) (344)
Other comprehensive earning (loss) before reclassifications (2) (8)
Amounts reclassified from accumulated other comprehensive loss 90 91
Balance at the end of the period (96) (261)
Accumulated Other Postretirement Benefit Liability [Member]
   
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period 2,234 1,063
Amounts reclassified from accumulated other comprehensive loss (123) (54)
Balance at the end of the period 2,111 1,009
Accumulated Pension Liability [Member]
   
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period (2,912) (7,803)
Amounts reclassified from accumulated other comprehensive loss 63 380
Balance at the end of the period $ (2,849) $ (7,423)