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Retirement Benefits (Tables) | 12 Months Ended
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Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items] |
Reconciliation Of Changes In Benefit Obligations And Fair Value Of Plan Assets |
|  | Pension Benefits |  |  | Other Benefits |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
|  | U.S. |  |  | Non-U.S. |  |  | U.S. |  |  | Non-U.S. |  |  |  |  |  |  |
|  | (In thousands) |
CHANGE IN BENEFIT OBLIGATION |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligation at January 1 |  | $ | 90,102 |  |  | $ | 42,245 |  |  | $ | 81,212 |  |  | $ | 39,342 |  |  | $ | 20,068 |  |  | $ | 18,059 |
Service cost |  |  | 1,759 |  |  |  | 1,078 |  |  |  | 1,665 |  |  |  | 719 |  |  |  | 691 |  |  |  | 528 |
Interest cost |  |  | 4,506 |  |  |  | 2,320 |  |  |  | 4,525 |  |  |  | 2,148 |  |  |  | 1,035 |  |  |  | 1,008 |
Plan amendments |  |  | — |  |  |  | 9 |  |  |  | 101 |  |  |  | 128 |  |  |  | — |  |  |  | (400 | )
Benefits paid |  |  | (4,224 | ) |  |  | (1,703 | ) |  |  | (3,567 | ) |  |  | (1,542 | ) |  |  | (734 | ) |  |  | (842 | )
Actuarial loss |  |  | 10,159 |  |  |  | 18 |  |  |  | 6,166 |  |  |  | 3,561 |  |  |  | 60 |  |  |  | 1,598 |
Currency translation |  |  | — |  |  |  | (906 | ) |  |  | — |  |  |  | (2,117 | ) |  |  | (47 | ) |  |  | 117 |
Curtailments/settlements |  |  | (791 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Acquisition |  |  | — |  |  |  | 4,702 |  |  |  | — |  |  |  | 6 |  |  |  | — |  |  |  | — |
Obligation at December 31 |  | $ | 101,511 |  |  | $ | 47,763 |  |  | $ | 90,102 |  |  | $ | 42,245 |  |  | $ | 21,073 |  |  | $ | 20,068 |
CHANGE IN PLAN ASSETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at January 1 |  | $ | 58,147 |  |  | $ | 17,400 |  |  | $ | 53,210 |  |  | $ | 15,376 |  |  | $ | — |  |  | $ | — |
Actual return on plan assets |  |  | (459 | ) |  |  | (720 | ) |  |  | 5,631 |  |  |  | 1,842 |  |  |  | — |  |  |  | — |
Employer contributions |  |  | 6,946 |  |  |  | 1,569 |  |  |  | 2,873 |  |  |  | 1,765 |  |  |  | 734 |  |  |  | 842 |
Benefits paid |  |  | (4,224 | ) |  |  | (1,703 | ) |  |  | (3,567 | ) |  |  | (1,542 | ) |  |  | (734 | ) |  |  | (842 | )
Currency translation |  |  | — |  |  |  | (57 | ) |  |  | — |  |  |  | (381 | ) |  |  | — |  |  |  | — |
Settlements |  |  | (791 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Other |  |  | — |  |  |  | 425 |  |  |  | — |  |  |  | 340 |  |  |  | — |  |  |  | — |
Fair value of plan assets at December 31 |  | $ | 59,619 |  |  | $ | 16,914 |  |  | $ | 58,147 |  |  | $ | 17,400 |  |  | $ | — |  |  | $ | — |
Funded status at December 31 |  | $ | (41,892 | ) |  | $ | (30,849 | ) |  | $ | (31,955 | ) |  | $ | (24,845 | ) |  | $ | (21,073 | ) |  | $ | (20,068 | )
COMPONENTS ON THE CONSOLIDATED BALANCE SHEETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities |  | $ | (602 | ) |  | $ | (733 | ) |  | $ | (657 | ) |  | $ | (653 | ) |  | $ | (937 | ) |  | $ | (999 | )
Noncurrent liabilities |  |  | (41,290 | ) |  |  | (30,116 | ) |  |  | (31,298 | ) |  |  | (24,192 | ) |  |  | (20,136 | ) |  |  | (19,069 | )
Net liability at December 31 |  | $ | (41,892 | ) |  | $ | (30,849 | ) |  | $ | (31,955 | ) |  | $ | (24,845 | ) |  | $ | (21,073 | ) |  | $ | (20,068 | )
Weighted Average Assumptions Used In The Measurement Of Benefit Obligation |
|  | U.S. Plans |  |  | Non-U.S. Plans |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Discount rate |  |  | 4.45 | % |  |  | 5.20 | % |  |  | 4.68 | % |  |  | 5.35 | %
Rate of compensation increase |  |  | 3.90 | % |  |  | 3.90 | % |  |  | 2.96 | % |  |  | 3.37 | %
Pretax Amounts Recognized In Accumulated Other Comprehensive Income (Loss) |
|  | Pension Benefits |  |  | Other Benefits |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
|  | U.S. |  |  | Non-U.S. |  |  | U.S. |  |  | Non-U.S |  |  |  |  |  |  |
|  | (In thousands) |
Prior service cost (credit) |  | $ | 419 |  |  | $ | 127 |  |  | $ | 597 |  |  | $ | 131 |  |  | $ | (2,697 | ) |  | $ | (3,044 | )
Net loss |  |  | 49,509 |  |  |  | 8,781 |  |  |  | 38,813 |  |  |  | 7,629 |  |  |  | 2,198 |  |  |  | 2,313 |
Total |  | $ | 49,928 |  |  | $ | 8,908 |  |  | $ | 39,410 |  |  | $ | 7,760 |  |  | $ | (499 | ) |  | $ | (731 | )
Amounts In Accumulated Other Comprehensive Income (Loss) Expected To Be Recognized As Components Of Net Periodic Benefit Cost During 2012 |
|  | U.S. Pension Benefit Plans |  |  | Non-U.S. Pension Benefit Plans |  |  | Other Benefit Plans |  |  | Total |
|  | (In thousands) |
Prior service cost (credit) |  | $ | 126 |  |  | $ | 9 |  |  | $ | (373 | ) |  | $ | (238 | )
Net loss |  |  | 6,240 |  |  |  | 315 |  |  |  | 225 |  |  |  | 6,780 |
Total |  | $ | 6,366 |  |  | $ | 324 |  |  | $ | (148 | ) |  | $ | 6,542 |
Components Of Net Periodic Benefit Cost For Defined Benefit Plans And Other Postretirement Plans |
|  | Pension Benefits |
|  | 2011 |  |  | 2010 |  |  | 2009 |
|  | U.S. |  |  | Non-U.S. |  |  | U.S. |  |  | Non-U.S. |  |  | U.S. |  |  | Non-U.S. |
|  | (In thousands) |
Service cost |  | $ | 1,759 |  |  | $ | 1,078 |  |  | $ | 1,665 |  |  | $ | 719 |  |  | $ | 1,551 |  |  | $ | 824 |
Interest cost |  |  | 4,506 |  |  |  | 2,320 |  |  |  | 4,525 |  |  |  | 2,148 |  |  |  | 4,375 |  |  |  | 2,122 |
Expected return on plan assets |  |  | (4,755 | ) |  |  | (1,117 | ) |  |  | (4,396 | ) |  |  | (945 | ) |  |  | (3,505 | ) |  |  | (780 | )
Net amortization |  |  | 4,855 |  |  |  | 442 |  |  |  | 4,401 |  |  |  | 302 |  |  |  | 5,299 |  |  |  | 370 |
Net periodic benefit cost |  | $ | 6,365 |  |  | $ | 2,723 |  |  | $ | 6,195 |  |  | $ | 2,224 |  |  | $ | 7,720 |  |  | $ | 2,536 |
|  | Other Benefits |
|  | 2011 |  |  | 2010 |  |  | 2009 |
|  | (In thousands) |
Service cost |  | $ | 691 |  |  | $ | 528 |  |  | $ | 468 |
Interest cost |  |  | 1,035 |  |  |  | 1,008 |  |  |  | 1,018 |
Net amortization |  |  | (156 | ) |  |  | (370 | ) |  |  | (385 | )
Net periodic benefit cost |  | $ | 1,570 |  |  | $ | 1,166 |  |  | $ | 1,101 |
Weighted Average Assumptions Used To Determine Net Periodic Benefit Cost Of Plans |
|  | U.S. Plans |  |  | Non-U.S. Plans |
|  | 2011 |  |  | 2010 |  |  | 2009 |  |  | 2011 |  |  | 2010 |  |  | 2009 |
Discount rate |  |  | 5.20 | % |  |  | 5.80 | % |  |  | 6.30 | % |  |  | 5.35 | % |  |  | 5.88 | % |  |  | 5.73 | %
Expected return on plan assets |  |  | 8.25 | % |  |  | 8.50 | % |  |  | 8.50 | % |  |  | 6.17 | % |  |  | 6.28 | % |  |  | 6.05 | %
Rate of compensation increase |  |  | 3.90 | % |  |  | 3.89 | % |  |  | 4.00 | % |  |  | 3.37 | % |  |  | 3.35 | % |  |  | 3.17 | %
Pension Plan Weighted Average Asset Allocations |
|  | 2011 |  |  | 2010 |
Equity securities |  |  | 65 | % |  |  | 67 | %
Fixed income securities |  |  | 35 |  |  |  | 33 |
Total |  |  | 100 | % |  |  | 100 | %
Summary Of Basis Used To Measure Defined Benefit Plans' Assets At Fair Value |
|  | Basis of Fair Value Measurement |
|  | Outstanding Balances |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
As of December 31, 2011 |  | (In thousands) |
Equity |  | $ | 14,968 |  |  | $ | 14,968 |  |  | $ | — |  |  | $ | — |
Absolute return funds(1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. |  |  | 38,449 |  |  |  | 38,449 |  |  |  | — |  |  |  | — |
Non U.S. |  |  | 21,709 |  |  |  | 16,520 |  |  |  | 5,189 |  |  |  | — |
Other(2) |  |  | 1,015 |  |  |  | 1,015 |  |  |  | — |  |  |  | — |
|  | $ | 76,141 |  |  | $ | 70,952 |  |  | $ | 5,189 |  |  | $ | — |
|  | Basis of Fair Value Measurement |
|  | Outstanding Balances |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
As of December 31, 2010 |  | (In thousands) |
Equity |  | $ | 13,644 |  |  | $ | 13,644 |  |  | $ | — |  |  | $ | — |
Absolute return funds(1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. |  |  | 38,325 |  |  |  | 18,549 |  |  |  | 19,776 |  |  |  | — |
Non U.S. |  |  | 22,838 |  |  |  | 17,400 |  |  |  | 5,438 |  |  |  | — |
Other(2) |  |  | 740 |  |  |  | 740 |  |  |  | — |  |  |  | — |
|  | $ | 75,547 |  |  | $ | 50,333 |  |  | $ | 25,214 |  |  | $ | — |
(1) | Primarily funds invested by managers that have a global mandate with the flexibility to allocate capital broadly across a wide range of asset classes and strategies including, but not limited to equities, fixed income, commodities, interest rate futures, currencies and other securities to outperform an agreed benchmark with specific return and volatility targets.
(2) | Primarily cash and cash equivalents.
Net Periodic Benefit Cost [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Pretax Amounts Recognized In Accumulated Other Comprehensive Income (Loss) |
|  | Pension Benefits |
|  | U.S. |  |  | Non-U.S. |  |  | Other Benefits |
|  | (In thousands) |
Net loss in current year |  | $ | (15,374 | ) |  | $ | (1,855 | ) |  | $ | (60 | )
Prior service cost |  |  | — |  |  |  | (9 | ) |  |  | — |
Amortization of prior service cost (credit) |  |  | 178 |  |  |  | 10 |  |  |  | (346 | )
Amortization of net loss (gain) |  |  | 4,678 |  |  |  | 432 |  |  |  | 190 |
Exchange rate effect on amounts in OCI |  |  | — |  |  |  | 273 |  |  |  | (15 | )
Total |  | $ | (10,518 | ) |  | $ | (1,149 | ) |  | $ | (231 | )

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