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Retirement Plans | 6 Months Ended
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Jun. 30, 2014
Retirement Plans [Abstract] |
Retirement Plans | (9) Retirement Plans The components of the net periodic benefit cost for our plans were as follows:
| Defined Benefit Pension Plans |
| 3 Months Ended |  | 6 Months Ended |
| June 30, |  | June 30, |
| 2014 |  | 2013 |  | 2014 |  | 2013 |
Service cost |  | $ | 2.1 |  |  | $ | 2.2 |  |  | $ | 4.1 |  |  | $ | 4.4 |
Interest cost |  |  | 3.4 |  |  |  | 3.0 |  |  |  | 6.7 |  |  |  | 6.1 |
Expected return on assets |  |  | (3.5 | ) |  |  | (2.8 | ) |  |  | (6.8 | ) |  |  | (5.6 | )
Curtailment gain |  |  | - |  |  |  | (2.3 | ) |  |  | - |  |  |  | (2.3 | )
Other |  |  | 1.0 |  |  |  | 1.0 |  |  |  | 2.0 |  |  |  | 1.9 |
Total benefit cost |  | $ | 3.0 |  |  | $ | 1.1 |  |  | $ | 6.0 |  |  | $ | 4.5 |
| Retiree Health Care Plan |
| 3 Months Ended |  | 6 Months Ended |
| June 30, |  | June 30, |
| 2014 |  | 2013 |  | 2014 |  | 2013 |
Interest cost |  | $ | 0.2 |  |  | $ | 0.3 |  |  | $ | 0.4 |  |  | $ | 0.6 |
Net loss |  |  | - |  |  |  | 0.1 |  |  |  | - |  |  |  | 0.2 |
Total benefit cost |  | $ | 0.2 |  |  | $ | 0.4 |  |  | $ | 0.4 |  |  | $ | 0.8 |
During the three and six months ended June 30, 2014, contributions made to our pension plans were $2.9 and $6.2, respectively, and contributions made to our retiree health care plan were $0.4 and $0.9, respectively. During 2014, we expect to make total contributions of $13.3 to our pension plans and to fund our retiree health care payments as incurred.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414199&loc=d3e39622-114963 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 + Details
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