XML 77 R62.htm IDEA: XBRL DOCUMENT v3.6.0.2
Accumulated Other Comprehensive Loss (AOCL) - Changes in components of Accumulated other comprehensive loss (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning Balance       $ (112,650)       $ (117,682) $ (112,650) $ (117,682) $ (91,832)
Other comprehensive income (loss) before reclassifications                 (9,521) 7,311 (43,345)
Net amount reclassified to net loss                 8,278 (2,279) 4,844
Elimination of equity in investee resulting from acquisition                     12,651
Ending Balance $ (113,893)       $ (112,650)       (113,893) (112,650) (117,682)
Cost of goods sold                 1,330,136 1,908,544 1,729,243
Helguvik impairment                 152,220 0 0
Selling, general and administrative expenses                 40,264 42,115 49,195
Other operating expense, net                 (3,857) (7,436) (12,481)
Income tax benefit (expense)                 (2,824) (9,276) (18,308)
Net income (loss) (168,464) $ (58,273) $ (9,515) (16,163) (43,080) $ (56,112) $ (33,897) 73,779 (252,415) (59,310) 126,474
Defined benefit plan liabilities [Member]                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning Balance       (110,667)       (115,852) (110,667) (115,852) (77,921)
Other comprehensive income (loss) before reclassifications                 (9,521) 7,311 (42,926)
Net amount reclassified to net loss                 4,007 (2,126) 4,995
Elimination of equity in investee resulting from acquisition                     0
Ending Balance (116,181)       (110,667)       (116,181) (110,667) (115,852)
Equity in investee other comprehensive income [Member]                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning Balance       0       0 0 0 (12,232)
Other comprehensive income (loss) before reclassifications                 0 0 (419)
Net amount reclassified to net loss                 0 0 0
Elimination of equity in investee resulting from acquisition                     12,651
Ending Balance 0       0       0 0 0
Gain (loss) on financial instruments [Member]                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Beginning Balance       $ (1,983)       $ (1,830) (1,983) (1,830) (1,679)
Other comprehensive income (loss) before reclassifications                 0 0 0
Net amount reclassified to net loss                 4,271 (153) (151)
Elimination of equity in investee resulting from acquisition                     0
Ending Balance $ 2,288       $ (1,983)       2,288 (1,983) (1,830)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Defined benefit plan liabilities [Member]                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Cost of goods sold                 3,464 (1,696) 6,237
Selling, general and administrative expenses                 465 235 569
Other operating expense, net                 1,585 904 0
Income tax benefit (expense)                 (1,507) (1,569) (1,811)
Net income (loss)                 4,007 (2,126) 4,995
Reclassification out of Accumulated Other Comprehensive Income [Member] | Equity in investee other comprehensive income [Member]                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Cost of goods sold                 0 0 0
Income tax benefit (expense)                 0 0 (419)
Net income (loss)                 0 0 (419)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain (loss) on financial instruments [Member]                      
AOCI Attributable to Parent, Net of Tax [Roll Forward]                      
Cost of goods sold                 (185) (186) (185)
Helguvik impairment                 4,480 0 0
Income tax benefit (expense)                 (24) 33 34
Net income (loss)                 $ 4,271 $ (153) $ (151)