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Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Reconciliations of Benefit Obligations, Plan Assets of Pension Plans and Funded Status of Plans | The following tables present reconciliations of plan benefit obligations, fair value of plan assets and the funded status of pension plans and other post-retirement plans as of and for the years ended December 31, 2012 and 2011:
|  | U.S. pension plans |  |  | Non-U.S. pension plans |  |  | Other post-retirement plans |
In thousands |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Change in benefit obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation beginning of year |  | $ | 572,068 |  |  | $ | 502,657 |  |  | $ | 89,503 |  |  | $ | 84,151 |  |  | $ | 35,081 |  |  | $ | 33,715 |
Service cost |  |  | 12,867 |  |  |  | 10,270 |  |  |  | 3,295 |  |  |  | 2,196 |  |  |  | 219 |  |  |  | 180 |
Interest cost |  |  | 28,208 |  |  |  | 28,647 |  |  |  | 7,545 |  |  |  | 4,121 |  |  |  | 1,860 |  |  |  | 1,889 |
Amendments |  |  | 372 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Benefit obligations assumed in Merger |  |  | 10,821 |  |  |  | — |  |  |  | 338,532 |  |  |  | — |  |  |  | 16,815 |  |  |  | — |
Settlements |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (257 | ) |  |  | — |  |  |  | — |
Actuarial loss |  |  | 128,817 |  |  |  | 58,672 |  |  |  | 26,647 |  |  |  | 4,079 |  |  |  | 8,159 |  |  |  | 2,494 |
Translation (gain) loss |  |  | — |  |  |  | — |  |  |  | 1,502 |  |  |  | (2,477 | ) |  |  | — |  |  |  | — |
Benefits paid |  |  | (358,854 | ) |  |  | (28,178 | ) |  |  | (6,175 | ) |  |  | (2,310 | ) |  |  | (2,837 | ) |  |  | (3,197 | )
Benefit obligation end of year |  |  | 394,299 |  |  |  | 572,068 |  |  |  | 460,849 |  |  |  | 89,503 |  |  |  | 59,297 |  |  |  | 35,081 |
Change in plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets beginning of year |  |  | 408,837 |  |  |  | 374,934 |  |  |  | 10,934 |  |  |  | 10,549 |  |  |  | — |  |  |  | — |
Actual return on plan assets |  |  | 43,944 |  |  |  | 27,628 |  |  |  | 6,413 |  |  |  | 343 |  |  |  | — |  |  |  | — |
Plan assets acquired in Merger |  |  | 7,482 |  |  |  | — |  |  |  | 227,253 |  |  |  | — |  |  |  | — |  |  |  | — |
Company contributions |  |  | 224,786 |  |  |  | 34,453 |  |  |  | 10,391 |  |  |  | 2,644 |  |  |  | 2,837 |  |  |  | 3,197 |
Settlements |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (257 | ) |  |  | — |  |  |  | — |
Translation gain (loss) |  |  | — |  |  |  | — |  |  |  | 166 |  |  |  | (35 | ) |  |  | — |  |  |  | — |
Benefits paid |  |  | (358,854 | ) |  |  | (28,178 | ) |  |  | (6,175 | ) |  |  | (2,310 | ) |  |  | (2,837 | ) |  |  | (3,197 | )
Fair value of plan assets end of year |  |  | 326,195 |  |  |  | 408,837 |  |  |  | 248,982 |  |  |  | 10,934 |  |  |  | — |  |  |  | — |
Funded status |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligations in excess of the fair value of plan assets |  | $ | (68,104 | ) |  | $ | (163,231 | ) |  | $ | (211,867 | ) |  | $ | (78,569 | ) |  | $ | (59,297 | ) |  | $ | (35,081 | )
Amounts Recognized in Consolidated Balance Sheets | Amounts recorded in the Consolidated Balance Sheets were as follows:
|  | U.S. pension plans |  |  | Non-U.S. pension plans |  |  | Other post- retirement plans |
In thousands |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Current liabilities |  | $ | (3,490 | ) |  | $ | (3,303 | ) |  | $ | (4,925 | ) |  | $ | (2,442 | ) |  | $ | (4,520 | ) |  | $ | (3,307 | )
Non-current liabilities |  |  | (64,614 | ) |  |  | (159,928 | ) |  |  | (206,942 | ) |  |  | (76,127 | ) |  |  | (54,777 | ) |  |  | (31,774 | )
Benefit obligations in excess of the fair value of plan assets |  | $ | (68,104 | ) |  | $ | (163,231 | ) |  | $ | (211,867 | ) |  | $ | (78,569 | ) |  | $ | (59,297 | ) |  | $ | (35,081 | )
Pension Plans with an Accumulated Benefit Obligation or Projected Benefit Obligation in Excess of Plan Assets | Information for pension plans with an accumulated benefit obligation or projected benefit obligation in excess of plan assets as of December 31 are as follows:
|  | Projected benefit obligation exceeds the fair value of plan assets |  |  | Accumulated benefit obligation exceeds the fair value of plan assets |
In thousands |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
U.S. pension plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected benefit obligation |  | $ | 158,063 |  |  | $ | 572,068 |  |  | $ | 87,147 |  |  | $ | 572,068 |
Fair value of plan assets |  |  | 85,332 |  |  |  | 408,837 |  |  |  | 15,499 |  |  |  | 408,837 |
Accumulated benefit obligation |  |  | — |  |  |  | — |  |  |  | 77,165 |  |  |  | 539,453 |
Non-U.S. pension plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected benefit obligation |  | $ | 436,652 |  |  | $ | 89,503 |  |  | $ | 431,271 |  |  | $ | 89,503 |
Fair value of plan assets |  |  | 222,387 |  |  |  | 10,934 |  |  |  | 217,174 |  |  |  | 10,934 |
Accumulated benefit obligation |  |  | — |  |  |  | — |  |  |  | 420,044 |  |  |  | 86,431 |
Assumed Health Care Cost Trend Rates | The assumed healthcare cost trend rates for other post-retirement plans as of December 31 were as follows:
|  | 2012 |  |  | 2011 |
Healthcare cost trend rate assumed for following year |  |  | 7.4 | % |  |  | 7.5 | %
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) |  |  | 4.5 | % |  |  | 4.5 | %
Year the cost trend rate reaches the ultimate trend rate |  |  | 2027 |  |  |  | 2027 |
Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates | A one-percentage-point change in the assumed healthcare cost trend rates would have the following effects as of and for the year ended December 31, 2012:
|  | One Percentage Point |
In thousands |  | Increase |  |  | Decrease |
Increase (decrease) in annual service and interest cost |  | $ | 59 |  |  | $ | (52 | )
Increase (decrease) in other post-retirement benefit obligations |  |  | 2,748 |  |  |  | (2,390 | )
Actual Overall Asset Allocation for U.S. And Non-U.S. Plans as Compared to Investment Policy Goals | Our actual overall asset allocation for our U.S. and non-U.S. pension plans as compared to our investment policy goals as of December 31 was as follows:
|  | U.S. pension plans |
|  | Actual |  |  | Target |
Percentages |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Equity securities |  |  | 32% |  |  |  | 41% |  |  |  | — |  |  |  | 50% |
Fixed income |  |  | 56% |  |  |  | 50% |  |  |  | 100% |  |  |  | 40% |
Alternative |  |  | 7% |  |  |  | 6% |  |  |  | — |  |  |  | 10% |
Cash |  |  | 5% |  |  |  | 3% |  |  |  | — |  |  |  | — |
|  | Non-U.S. pension plans |
|  | Actual |  |  | Target |
Percentages |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Equity securities |  |  | 51 | % |  |  | 66 | % |  |  | 55 | % |  |  | 75 | %
Fixed income |  |  | 42 | % |  |  | 20 | % |  |  | 45 | % |  |  | 25 | %
Alternative |  |  | 3 | % |  |  | — |  |  |  | — |  |  |  | — |
Cash |  |  | 4 | % |  |  | 14 | % |  |  | — |  |  |  | — |
Plan Assets Using Fair Value Hierarchy | The fair values of our pension plan assets and their respective levels in the fair value hierarchy as of December 31, 2012 and December 31, 2011 were as follows:
|  | December 31, 2012 |
In thousands |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Cash and cash equivalents |  | $ | 6,238 |  |  | $ | 21,235 |  |  | $ | — |  |  | $ | 27,473 |
Fixed income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate and non U.S. government |  |  | — |  |  |  | 164,255 |  |  |  | — |  |  |  | 164,255 |
U.S. treasuries |  |  | — |  |  |  | 69,375 |  |  |  | — |  |  |  | 69,375 |
Mortgage-backed securities |  |  | — |  |  |  | 23,382 |  |  |  | — |  |  |  | 23,382 |
Other |  |  | — |  |  |  | 28,111 |  |  |  | — |  |  |  | 28,111 |
Global equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mid cap equity |  |  | — |  |  |  | 6,726 |  |  |  | — |  |  |  | 6,726 |
Large cap equity |  |  | — |  |  |  | 88,985 |  |  |  | — |  |  |  | 88,985 |
International equity |  |  | — |  |  |  | 89,768 |  |  |  | — |  |  |  | 89,768 |
Long/short equity |  |  | — |  |  |  | 47,597 |  |  |  | — |  |  |  | 47,597 |
Other investments |  |  | — |  |  |  | 11,215 |  |  |  | 18,290 |  |  |  | 29,505 |
Total fair value of plan assets |  | $ | 6,238 |  |  | $ | 550,649 |  |  | $ | 18,290 |  |  | $ | 575,177 |
|  | December 31, 2011 |
In thousands |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Cash equivalents |  | $ | — |  |  | $ | 13,084 |  |  | $ | — |  |  | $ | 13,084 |
Fixed income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate and non U.S. government |  |  | — |  |  |  | 76,046 |  |  |  | 150 |  |  |  | 76,196 |
U.S. treasuries |  |  | — |  |  |  | 82,989 |  |  |  | — |  |  |  | 82,989 |
Mortgage-backed securities |  |  | — |  |  |  | 40,286 |  |  |  | 629 |  |  |  | 40,915 |
Other |  |  | — |  |  |  | 7,958 |  |  |  | 219 |  |  |  | 8,177 |
Global equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Small cap equity |  |  | 7,094 |  |  |  | — |  |  |  | — |  |  |  | 7,094 |
Mid cap equity |  |  | 7,528 |  |  |  | 4 |  |  |  | — |  |  |  | 7,532 |
Large cap equity |  |  | — |  |  |  | 47,398 |  |  |  | — |  |  |  | 47,398 |
International equity |  |  | 19,942 |  |  |  | 19,652 |  |  |  | — |  |  |  | 39,594 |
Long/short equity |  |  | — |  |  |  | 56,575 |  |  |  | — |  |  |  | 56,575 |
Pentair Ltd. common shares |  |  | 16,645 |  |  |  | — |  |  |  | — |  |  |  | 16,645 |
Other investments |  |  | — |  |  |  | 4,563 |  |  |  | 19,009 |  |  |  | 23,572 |
Total fair value of plan assets |  | $ | 51,209 |  |  | $ | 348,555 |  |  | $ | 20,007 |  |  | $ | 419,771 |
Reconciliation of Level 3 Assets | The following tables present a reconciliation of Level 3 assets held during the years ended December 31, 2012 and 2011, respectively:
In thousands |  | January 1, 2012 |  |  | Net realized and unrealized gains (losses) |  |  | Net issuances and settlements |  |  | Net transfers into (out of) level 3 |  |  | December 31, 2012 |
Other investments |  | $ | 19,009 |  |  | $ | 1,051 |  |  | $ | (1,770 | ) |  | $ | — |  |  | $ | 18,290 |
Fixed income investments |  |  | 998 |  |  |  | 22 |  |  |  | (1,020 | ) |  |  | — |  |  |  | — |
Total |  | $ | 20,007 |  |  | $ | 1,073 |  |  | $ | (2,790 | ) |  | $ | — |  |  | $ | 18,290 |
In thousands |  | January 1, 2011 |  |  | Net realized and unrealized gains (losses) |  |  | Net issuances and settlements |  |  | Net transfers into (out of) level 3 |  |  | December 31, 2011 |
Other investments |  | $ | 12,991 |  |  | $ | 251 |  |  | $ | 5,767 |  |  | $ | — |  |  | $ | 19,009 |
Fixed income investments |  |  | 1,777 |  |  |  | 87 |  |  |  | (866 | ) |  |  | — |  |  |  | 998 |
Total |  | $ | 14,768 |  |  | $ | 338 |  |  | $ | 4,901 |  |  | $ | — |  |  | $ | 20,007 |
Expected Future Service to Be Paid by Plans | The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid by the plans for the years ended December 31 as follows:
In millions |  | U.S. pension plans |  |  | Non-U.S. pension plans |  |  | Other post- retirement plans |
2013 |  | $ | 7.5 |  |  | $ | 16.7 |  |  | $ | 4.5 |
2014 |  |  | 8.6 |  |  |  | 17.8 |  |  |  | 4.5 |
2015 |  |  | 10.2 |  |  |  | 18.5 |  |  |  | 4.4 |
2016 |  |  | 12.9 |  |  |  | 17.5 |  |  |  | 4.3 |
2017 |  |  | 14.8 |  |  |  | 18.3 |  |  |  | 4.2 |
2018-2022 |  |  | 103.3 |  |  |  | 105.7 |  |  |  | 19.6 |
Pension benefits |
Components of Net Periodic Benefit Cost | Components of net periodic benefit cost for our pension plans for the years ended December 31 were as follows:
|  | U. S. pension plans |  |  | Non-U.S. pension plans |
In thousands |  | 2012 |  |  | 2011 |  |  | 2010 |  |  | 2012 |  |  | 2011 |  |  | 2010 |
Service cost |  | $ | 12,867 |  |  | $ | 10,270 |  |  | $ | 9,743 |  |  | $ | 3,295 |  |  | $ | 2,196 |  |  | $ | 1,845 |
Interest cost |  |  | 28,208 |  |  |  | 28,647 |  |  |  | 27,518 |  |  |  | 7,545 |  |  |  | 4,121 |  |  |  | 4,153 |
Expected return on plan assets |  |  | (29,400 | ) |  |  | (27,952 | ) |  |  | (24,679 | ) |  |  | (3,928 | ) |  |  | (461 | ) |  |  | (433 | )
Amortization of transition obligation |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13 |
Amortization of prior year service cost (benefit) |  |  | 17 |  |  |  | 17 |  |  |  | 17 |  |  |  | (15 | ) |  |  | (17 | ) |  |  | (10 | )
Actuarial loss |  |  | 114,272 |  |  |  | 58,995 |  |  |  | 6,990 |  |  |  | 24,162 |  |  |  | 4,196 |  |  |  | 7,305 |
Net periodic benefit cost |  | $ | 125,964 |  |  | $ | 69,977 |  |  | $ | 19,589 |  |  | $ | 31,059 |  |  | $ | 10,035 |  |  | $ | 12,873 |
Post-retirement |
Components of Net Periodic Benefit Cost | Components of net periodic benefit cost for our other post-retirement plans for the years ended December 31 were as follows:
|  | Other post-retirement plans |
In thousands |  | 2012 |  |  | 2011 |  |  | 2010 |
Service cost |  | $ | 219 |  |  | $ | 180 |  |  | $ | 200 |
Interest cost |  |  | 1,860 |  |  |  | 1,889 |  |  |  | 2,013 |
Amortization of prior year service benefit |  |  | (24 | ) |  |  | (27 | ) |  |  | (27 | )
Actuarial (gain) loss |  |  | 8,159 |  |  |  | 2,494 |  |  |  | (647 | )
Net periodic benefit cost |  | $ | 10,214 |  |  | $ | 4,536 |  |  | $ | 1,539 |
Benefit Obligations |
Weighted-Average Assumptions used to Determine Domestic Benefit Obligations and Domestic Net Periodic Benefit Cost | Weighted-average assumptions used to determine benefit obligations as of December 31 were as follows:
|  | U.S. pension plans |  | Non-U.S. pension plans |  | Other post-retirement plans
Percentages |  | 2012 |  | 2011 |  | 2010 |  | 2012 |  | 2011 |  | 2010 |  | 2012 |  | 2011 |  | 2010
Discount rate |  | 3.67 |  | 5.05 |  | 5.90 |  | 3.85 |  | 4.82 |  | 5.10 |  | 3.40 |  | 5.05 |  | 5.90
Rate of compensation increase |  | 4.37 |  | 4.00 |  | 4.00 |  | 3.02 |  | 2.98 |  | 3.00 |  | — |  | — |  | —
Net Periodic Benefit Cost |
Weighted-Average Assumptions used to Determine Domestic Benefit Obligations and Domestic Net Periodic Benefit Cost |
Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31 were as follows:
|  | U.S. pension plans |  | Non-U.S. pension plans |  | Other post- retirement plans
Percentages |  | 2012 |  | 2011 |  | 2010 |  | 2012 |  | 2011 |  | 2010 |  | 2012 |  | 2011 |  | 2010
Discount rate |  | 5.05 |  | 5.90 |  | 6.00 |  | 4.82 |  | 5.13 |  | 5.50 |  | 5.05 |  | 5.90 |  | 6.00
Expected long-term return on plan assets |  | 7.50 |  | 8.00 |  | 8.50 |  | 4.09 |  | 4.50 |  | 4.50 |  | — |  | — |  | —
Rate of compensation increase |  | 4.21 |  | 4.00 |  | 4.00 |  | 2.98 |  | 2.98 |  | 3.00 |  | — |  | — |  | —

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 4, 7, 16, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=21916443&loc=d3e4179-114921 Reference 4: 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=21915506&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=21915506&loc=d3e2410-114920 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2439-114920 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care benefits. + 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 (m) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + 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 (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved. + 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 (l) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in defined benefit plan assets within level 3 of the fair value hierarchy. + References No definition available. + 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=21915506&loc=d3e1928-114920 + Details
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