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Retirement Benefits (Tables) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2012 | Mar. 31, 2012
Schedule of Estimated Remaining Cash Contributions |  |
Retirement pension benefits: |  |  |  |
United States |  | $ | 300 |
United Kingdom |  |  | 864 |
Japan |  |  | — |
Switzerland |  |  | 191 |
Other postretirement benefits |  |  | 3,417 |
Pension Plans, Defined Benefit [Member] |  |
Schedule of Net Periodic Benefit Costs |
|  | Three-Months Ending March 31, |
|  | United States |  |  | Other Countries |  |  | Total |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Service cost |  | $ | 882 |  |  | $ | 859 |  |  | $ | 285 |  |  | $ | 224 |  |  | $ | 1,167 |  |  | $ | 1,083 |
Interest cost |  |  | 1,454 |  |  |  | 1,411 |  |  |  | 569 |  |  |  | 562 |  |  |  | 2,023 |  |  |  | 1,973 |
Expected return on plan assets |  |  | (1,752 | ) |  |  | (1,674 | ) |  |  | (645 | ) |  |  | (627 | ) |  |  | (2,397 | ) |  |  | (2,301 | )
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial (gain) loss |  |  | 131 |  |  |  | 78 |  |  |  | 165 |  |  |  | 224 |  |  |  | 296 |  |  |  | 302 |
Prior service cost (benefit) |  |  | 18 |  |  |  | 18 |  |  |  | (2 | ) |  |  | (2 | ) |  |  | 16 |  |  |  | 16 |
Net periodic retirement pension (benefit) cost |  | $ | 733 |  |  | $ | 692 |  |  | $ | 372 |  |  | $ | 381 |  |  | $ | 1,105 |  |  | $ | 1,073 |
Contributions paid |  | $ | 150 |  |  | $ | — |  |  | $ | 451 |  |  | $ | 488 |  |  | $ | 601 |  |  | $ | 488 |
|  | Six-Months Ending March 31, |
|  | United States |  |  | Other Countries |  |  | Total |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Service cost |  | $ | 1,765 |  |  | $ | 1,717 |  |  | $ | 572 |  |  | $ | 446 |  |  | $ | 2,337 |  |  | $ | 2,163 |
Interest cost |  |  | 2,908 |  |  |  | 2,823 |  |  |  | 1,138 |  |  |  | 1,117 |  |  |  | 4,046 |  |  |  | 3,940 |
Expected return on plan assets |  |  | (3,504 | ) |  |  | (3,347 | ) |  |  | (1,290 | ) |  |  | (1,246 | ) |  |  | (4,794 | ) |  |  | (4,593 | )
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial (gain) loss |  |  | 262 |  |  |  | 156 |  |  |  | 332 |  |  |  | 445 |  |  |  | 594 |  |  |  | 601 |
Prior service cost (benefit) |  |  | 37 |  |  |  | 37 |  |  |  | (4 | ) |  |  | (4 | ) |  |  | 33 |  |  |  | 33 |
Net periodic retirement pension (benefit) cost |  | $ | 1,468 |  |  | $ | 1,386 |  |  | $ | 748 |  |  | $ | 758 |  |  | $ | 2,216 |  |  | $ | 2,144 |
Contributions paid |  | $ | 300 |  |  | $ | — |  |  | $ | 2,332 |  |  | $ | 3,190 |  |  | $ | 2,632 |  |  | $ | 3,190 |
Multiemployer Plan [Member] |  |
Schedule of Costs of Retirement Plans |  |
|  | Three-Months Ending |  |  | Six-Months Ending |
| March 31, |  |  | March 31, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Company contributions |  | $ | 121 |  |  | $ | 114 |  |  | $ | 242 |  |  | $ | 233 |
Defined Contribution Plan [Member] |  |
Schedule of Costs of Retirement Plans |  |
|  | Three-Months Ending |  |  | Six-Months Ending |
| March 31, |  |  | March 31, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Company costs |  | $ | 4,350 |  |  | $ | 4,058 |  |  | $ | 8,982 |  |  | $ | 8,256 |
Other Postretirement Benefit Plans, Defined Benefit [Member] |  |
Schedule of Costs of Retirement Plans |  |
|  | Three-Months Ending |  |  | Six-Months Ending |
| March 31, |  |  | March 31, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Service cost |  | $ | 18 |  |  | $ | 23 |  |  | $ | 35 |  |  | $ | 46 |
Interest cost |  |  | 450 |  |  |  | 494 |  |  |  | 899 |  |  |  | 987 |
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial (gain) loss |  |  | 23 |  |  |  | 32 |  |  |  | 46 |  |  |  | 64 |
Prior service cost (benefit) |  |  | (138 | ) |  |  | (217 | ) |  |  | (275 | ) |  |  | (435 | )
Net periodic other postretirement (benefit) cost |  | $ | 353 |  |  | $ | 332 |  |  | $ | 705 |  |  | $ | 662 |
Contributions paid |  | $ | 792 |  |  | $ | 817 |  |  | $ | 1,293 |  |  | $ | 1,594 |

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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 -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&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 -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the cash contributions to retirement benefit plans. The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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