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Retirement Plans (Tables) | 9 Months Ended
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Sep. 30, 2013
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2013 |  | 2012 |  | 2013 |  | 2012
Service cost | $ | 8 | $ | 8 | $ | 25 | $ | 24
Interest cost |  | 177 |  | 187 |  | 530 |  | 561
Expected return on plan assets |  | (214) |  | (203) |  | (642) |  | (607)
Recognized net actuarial loss |  | 53 |  | 49 |  | 159 |  | 146
Net periodic benefit cost | $ | 24 | $ | 41 | $ | 72 | $ | 124
Defined Contribution Pension [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Costs of Retirement Plans [Table Text Block] |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2013 |  | 2012 |  | 2013 |  | 2012
Salaried Plan | $ | 478 | $ | 599 | $ | 1,422 | $ | 1,674
Union Plan |  | 18 |  | 23 |  | 53 |  | 59
Montreal Plan |  | 28 |  | 30 |  | 88 |  | 89
U.K. Plan |  | 27 |  | 29 |  | 95 |  | 84
Burnaby Plan |  | 34 |  | 34 |  | 111 |  | 111
| $ | 585 | $ | 715 | $ | 1,769 | $ | 2,017
United Kingdom Benefit Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2013 |  | 2012 |  | 2013 |  | 2012
Interest cost | $ | 85 | $ | 89 | $ | 255 | $ | 252
Expected return on plan assets |  | (73) |  | (76) |  | (219) |  | (215)
Amortization of transition amount |  | (12) |  | (12) |  | (36) |  | (36)
Recognized net actuarial loss |  | 57 |  | 58 |  | 171 |  | 165
Net periodic cost | $ | 57 | $ | 59 | $ | 171 | $ | 166

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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