XML 68 R61.htm IDEA: XBRL DOCUMENT v3.5.0.2
Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance $ 1,916,179 $ 2,237,423
Other comprehensive income (loss) 1,092 (997)
Ending balance 1,743,932 2,211,989
Pension and post-retirement benefit plan adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (12,400) (15,251)
Other comprehensive (loss) income before reclassification 0 0
Amounts reclassified from accumulated other comprehensive (loss) income 0 0
Other comprehensive income (loss) 0 0
Ending balance (12,400) (15,251)
Gains (losses) on cash flow hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance 0 4,042
Other comprehensive (loss) income before reclassification (44) 0
Amounts reclassified from accumulated other comprehensive (loss) income 0 384
Other comprehensive income (loss) (44) 384
Ending balance (44) 4,426
Share of affiliates' comprehensive income    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (192) 4,630
Other comprehensive (loss) income before reclassification 1,136 (1,381)
Amounts reclassified from accumulated other comprehensive (loss) income 0 0
Other comprehensive income (loss) 1,136 (1,381)
Ending balance 944 3,249
Total accumulated comprehensive income (loss)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (12,592) (6,579)
Other comprehensive (loss) income before reclassification 1,092 (1,381)
Amounts reclassified from accumulated other comprehensive (loss) income 0 384
Other comprehensive income (loss) 1,092 (997)
Ending balance $ (11,500) $ (7,576)