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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Summary of components of other comprehensive income | The cumulative balance of each component of other comprehensive income (loss) and the income tax effects allocated to each component are as follows:
|  | Pension and other post-retirement actuarial items |  |  | Currency translation adjustment |  |  | Unrealized gain (loss) on available-for-sale securities |  |  | Total |
Balance at January 1, 2013 |  | $ | (178,956 | ) |  | $ | 167,461 |  |  | $ | 1,273 |  |  | $ | (10,222 | )
Other comprehensive income before reclassifications |  |  | 52,545 |  |  |  | 23,537 |  |  |  | 913 |  |  | $ | 76,995 |
Tax effect |  |  | (16,334 | ) |  |  | - |  |  |  | (299 | ) |  | $ | (16,633 | )
Other comprehensive income before reclassifications, net of tax |  |  | 36,211 |  |  |  | 23,537 |  |  |  | 614 |  |  | $ | 60,362 |
Amounts reclassified out of AOCI |  |  | 19,112 |  |  |  | - |  |  |  | (2,019 | ) |  | $ | 17,093 |
Tax effect |  |  | (6,285 | ) |  |  | - |  |  |  | 686 |  |  | $ | (5,599 | )
Amounts reclassified out of AOCI, net of tax |  |  | 12,827 |  |  |  | - |  |  |  | (1,333 | ) |  | $ | 11,494 |
Net comprehensive income |  | $ | 49,038 |  |  | $ | 23,537 |  |  | $ | (719 | ) |  | $ | 71,856 |
Balance at December 31, 2013 |  | $ | (129,918 | ) |  | $ | 190,998 |  |  | $ | 554 |  |  | $ | 61,634 |
Other comprehensive income before reclassifications |  |  | (60,602 | ) |  |  | (106,295 | ) |  |  | 2,175 |  |  | $ | (164,722 | )
Tax effect |  |  | 18,117 |  |  |  | - |  |  |  | (758 | ) |  | $ | 17,359 |
Other comprehensive income before reclassifications, net of tax |  |  | (42,485 | ) |  |  | (106,295 | ) |  |  | 1,417 |  |  | $ | (147,363 | )
Amounts reclassified out of AOCI |  |  | 25,604 |  |  |  | - |  |  |  | (78 | ) |  | $ | 25,526 |
Tax effect |  |  | (8,961 | ) |  |  | - |  |  |  | 24 |  |  | $ | (8,937 | )
Amounts reclassified out of AOCI, net of tax |  |  | 16,643 |  |  |  | - |  |  |  | (54 | ) |  | $ | 16,589 |
Net comprehensive income (loss) |  | $ | (25,842 | ) |  | $ | (106,295 | ) |  | $ | 1,363 |  |  | $ | (130,774 | )
Balance at December 31, 2014 |  | $ | (155,760 | ) |  | $ | 84,703 |  |  | $ | 1,917 |  |  | $ | (69,140 | )
Other comprehensive income before reclassifications |  |  | 15,169 |  |  |  | (80,106 | ) |  |  | (1,503 | ) |  | $ | (66,440 | )
Tax effect |  |  | (4,196 | ) |  |  | - |  |  |  | 526 |  |  | $ | (3,670 | )
Other comprehensive income before reclassifications, net of tax |  |  | 10,973 |  |  |  | (80,106 | ) |  |  | (977 | ) |  | $ | (70,110 | )
Amounts reclassified out of AOCI |  |  | 12,869 |  |  |  | - |  |  |  | (680 | ) |  | $ | 12,189 |
Tax effect |  |  | (4,504 | ) |  |  | - |  |  |  | 238 |  |  | $ | (4,266 | )
Amounts reclassified out of AOCI, net of tax |  |  | 8,365 |  |  |  | - |  |  |  | (442 | ) |  | $ | 7,923 |
Net comprehensive income (loss) |  | $ | 19,338 |  |  | $ | (80,106 | ) |  | $ | (1,419 | ) |  | $ | (62,187 | )
Balance at December 31, 2015 |  | $ | (136,422 | ) |  | $ | 4,597 |  |  | $ | 498 |  |  | $ | (131,327 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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