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Employee Benefit Plans (Details) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended | 0 Months Ended |  | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 Plan | Sep. 30, 2013 | Dec. 31, 2013 Plan | Oct. 22, 2014 Subsequent Event [Member] | Oct. 22, 2014 Subsequent Event [Member] participant | Sep. 30, 2014 Pension Benefits [Member] | Sep. 30, 2013 Pension Benefits [Member] | Sep. 30, 2014 Pension Benefits [Member] | Sep. 30, 2013 Pension Benefits [Member] | Sep. 30, 2014 Company Administered Plan [Member] Pension Benefits [Member] | Sep. 30, 2013 Company Administered Plan [Member] Pension Benefits [Member] | Sep. 30, 2014 Company Administered Plan [Member] Pension Benefits [Member] | Sep. 30, 2013 Company Administered Plan [Member] Pension Benefits [Member] | Sep. 30, 2014 Company Administered Plan [Member] Pension Benefits U.S. [Member] | Sep. 30, 2013 Company Administered Plan [Member] Pension Benefits U.S. [Member] | Sep. 30, 2014 Company Administered Plan [Member] Pension Benefits U.S. [Member] | Sep. 30, 2013 Company Administered Plan [Member] Pension Benefits U.S. [Member] | Sep. 30, 2014 Company Administered Plan [Member] Pension Benefits Non-U.S. [Member] | Sep. 30, 2013 Company Administered Plan [Member] Pension Benefits Non-U.S. [Member] | Sep. 30, 2014 Company Administered Plan [Member] Pension Benefits Non-U.S. [Member] | Sep. 30, 2013 Company Administered Plan [Member] Pension Benefits Non-U.S. [Member] | Sep. 30, 2014 Company Administered Plan [Member] Postretirement Benefits [Member] | Sep. 30, 2013 Company Administered Plan [Member] Postretirement Benefits [Member] | Sep. 30, 2014 Company Administered Plan [Member] Postretirement Benefits [Member] | Sep. 30, 2013 Company Administered Plan [Member] Postretirement Benefits [Member] | Sep. 30, 2014 Company Administered Plan [Member] Postretirement Benefits U.S [Member] | Sep. 30, 2013 Company Administered Plan [Member] Postretirement Benefits U.S [Member] | Sep. 30, 2014 Company Administered Plan [Member] Postretirement Benefits U.S [Member] | Sep. 30, 2013 Company Administered Plan [Member] Postretirement Benefits U.S [Member] | Sep. 30, 2014 Company Administered Plan [Member] Postretirement Benefits Non-U.S [Member] | Sep. 30, 2013 Company Administered Plan [Member] Postretirement Benefits Non-U.S [Member] | Sep. 30, 2014 Company Administered Plan [Member] Postretirement Benefits Non-U.S [Member] | Sep. 30, 2013 Company Administered Plan [Member] Postretirement Benefits Non-U.S [Member] | Sep. 30, 2014 Union Administered Plan [Member] Pension Benefits [Member] | Sep. 30, 2013 Union Administered Plan [Member] Pension Benefits [Member] | Sep. 30, 2014 Union Administered Plan [Member] Pension Benefits [Member] | Sep. 30, 2013 Union Administered Plan [Member] Pension Benefits [Member]
Components of net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,297,000 | $ 3,994,000 | $ 9,892,000 | $ 12,002,000 |  |  |  |  |  |  |  |  | $ 112,000 | $ 245,000 | $ 336,000 | $ 738,000 |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,280,000 | 22,418,000 | 75,990,000 | 67,153,000 |  |  |  |  |  |  |  |  | 356,000 | 392,000 | 1,069,000 | 1,179,000 |  |  |  |  |  |  |  |  |  |  |  |
Expected return on plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (28,900,000) | (26,498,000) | (86,916,000) | (79,335,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (credit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,900,000 | 8,782,000 | 17,714,000 | 26,347,000 |  |  |  |  |  |  |  |  | (181,000) | (4,000) | (544,000) | (11,000) |  |  |  |  |  |  |  |  |  |  |  |
Prior service credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (445,000) | (454,000) | (1,340,000) | (1,363,000) |  |  |  |  |  |  |  |  | (616,000) | (58,000) | (1,844,000) | (173,000) |  |  |  |  |  |  |  |  |  |  |  |
Net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  | 8,607,000 | 11,630,000 | 23,084,000 | 32,222,000 | 5,132,000 | 8,242,000 | 15,340,000 | 24,804,000 | 5,389,000 | 8,424,000 | 16,190,000 | 25,317,000 | (257,000) | (182,000) | (850,000) | (513,000) | (329,000) | 575,000 | (983,000) | 1,733,000 | (460,000) | 402,000 | (1,379,000) | 1,210,000 | 131,000 | 173,000 | 396,000 | 523,000 | 3,475,000 | 3,388,000 | 7,744,000 | 7,418,000
Contribution to pension plans |  |  |  |  | 69,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated total contributions |  |  |  |  | 75,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension settlement charges, before tax | 1,262,000 | [1] | 1,258,000 | [1] | 1,262,000 | [1] | 1,258,000 | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension settlement charges, after tax | 800,000 |  | 800,000 |  | 800,000 |  | 800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Defined Benefit Plans |  |  |  |  | 2 |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of participants |  |  |  |  |  |  |  |  |  |  | 11,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vested benefit obligation |  |  |  |  |  |  |  |  |  |  | 370,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Vesting Benefits as a Percentage of Benefit Obligation |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Actuarial Gain (Loss) |  |  |  |  | $ 600,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | See Note (N), "Employee Benefit Plans," for additional information.

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- Definition Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Gain or Loss -URI http://asc.fasb.org/extlink&oid=6514294 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Glossary Gain or Loss -URI http://asc.fasb.org/extlink&oid=6749293 + Details
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- Definition The amount of gains or losses recognized in 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 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation. + 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)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition 1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. + 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 (a) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Projected Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6522206 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Postretirement Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503904 + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + 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 (b)(3) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512136 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512171 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. + 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)(2) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) 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 (j) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: 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=35743120&loc=d3e1928-114920 + Details
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + 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)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The amount that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(8) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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