XML 52 R36.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
Changes in Accumulated Other Comprehensive Loss [Table Text Block] | Changes in accumulated other comprehensive loss are as follows:
|  | Changes in Accumulated Other Comprehensive Loss
|  | Year Ended December 31
|  | 2017 |  | 2016 |  | 2015
|  | (thousands)
Beginning Balance, net of taxes |  | $ | (83,012 | ) |  | $ | (93,015 | ) |  | $ | (101,498 | )
Net actuarial gain, current-period changes, before taxes |  | 7,067 |  |  | 9,622 |  |  | 8,406 |
Amortization of actuarial loss, amounts reclassified from accumulated other comprehensive loss, before taxes (a) |  | 1,686 |  |  | 2,484 |  |  | 4,884 |
Effect of settlements, amounts reclassified from accumulated other comprehensive loss, before taxes (a) |  | — |  |  | 4,155 |  |  | 501 |
Income taxes |  | (2,443 | ) |  | (6,258 | ) |  | (5,308 | )
Ending Balance, net of taxes |  | $ | (76,702 | ) |  | $ | (83,012 | ) |  | $ | (93,015 | )
___________________________________
(a) | Represents amounts reclassified from accumulated other comprehensive loss. These amounts are included in the computation of net periodic pension cost. For additional information, see Note 9, Retirement and Benefit Plans.

X
- 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=84228862&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration