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EMPLOYEE BENEFIT PLANS (Tables) | 12 Months Ended
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Dec. 31, 2011
EMPLOYEE BENEFIT PLANS [Abstract] |
Weighted-Average and Target Asset Allocations | The Company's weighted-average asset allocations at December 31, 2011 and 2010, and 2011 year-end target allocation, by asset category, were as follows:
|  | Target |  | 2011 |  | 2010
Domestic equity securities |  | 53 | % |  | 59 | % |  | 62 | %
International equity securities |  | 15 | % |  | 14 | % |  | 11 | %
Debt securities |  | 22 | % |  | 17 | % |  | 16 | %
Real estate |  | 10 | % |  | 6 | % |  | 4 | %
Other and cash |  | - | - |  | 4 | % |  | 7 | %
Total |  | 100 | % |  | 100 | % |  | 100 | %
Fair Value of Pension Plan Assets | The fair values of the Company's pension plan assets at December 31, 2011 and 2010, by asset category, are as follows (in millions):
| Fair Value Measurements as of |
| December 31, 2011 |
| Total |  |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Asset Category |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ | 10 |  |  | $ | 10 |  |  | $ | -- |  |  | $ | -- |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. large-cap |  | 102 |  |  |  | 102 |  |  |  | -- |  |  |  | -- |
U.S. mid- and small-cap |  | 32 |  |  |  | 32 |  |  |  | -- |  |  |  | -- |
International large-cap |  | 28 |  |  |  | 28 |  |  |  | -- |  |  |  | -- |
International mid-cap |  | 23 |  |  |  | 23 |  |  |  | -- |  |  |  | -- |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasuries |  | 1 |  |  |  | -- |  |  |  | 1 |  |  |  | -- |
Investment grade U.S. corporate bonds |  | 3 |  |  |  | -- |  |  |  | 3 |  |  |  | -- |
High-yield U.S. corporate bonds |  | 10 |  |  |  | -- |  |  |  | 10 |  |  |  | -- |
Mortgage-backed securities |  | 31 |  |  |  | -- |  |  |  | 31 |  |  |  | -- |
Other types of investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate partnerships interests |  | 14 |  |  |  | -- |  |  |  | -- |  |  |  | 14 |
Private equity partnership interests (a) |  | 2 |  |  |  | -- |  |  |  | -- |  |  |  | 2 |
Insurance contracts |  | 1 |  |  |  | -- |  |  |  | -- |  |  |  | 1 |
Total | $ | 257 |  |  | $ | 195 |  |  | $ | 45 |  |  | $ | 17 |
| Fair Value Measurements as of |
| December 31, 2010 |
| Total |  |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Asset Category |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ | 17 |  |  | $ | 17 |  |  | $ | -- |  |  | $ | -- |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. large-cap |  | 136 |  |  |  | 136 |  |  |  | -- |  |  |  | -- |
U.S. mid- and small-cap |  | 40 |  |  |  | 40 |  |  |  | -- |  |  |  | -- |
International large-cap |  | 31 |  |  |  | 31 |  |  |  | -- |  |  |  | -- |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasuries |  | 1 |  |  |  | -- |  |  |  | 1 |  |  |  | -- |
Investment grade U.S. corporate bonds |  | 3 |  |  |  | -- |  |  |  | 3 |  |  |  | -- |
High-yield U.S. corporate bonds |  | 8 |  |  |  | -- |  |  |  | 8 |  |  |  | -- |
Mortgage-backed securities |  | 33 |  |  |  | -- |  |  |  | 33 |  |  |  | -- |
Other types of investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate partnerships interests |  | 13 |  |  |  | -- |  |  |  | -- |  |  |  | 13 |
Private equity partnership interests (a) |  | 2 |  |  |  | -- |  |  |  | -- |  |  |  | 2 |
Insurance contracts |  | 1 |  |  |  | -- |  |  |  | -- |  |  |  | 1 |
Total | $ | 285 |  |  | $ | 224 |  |  | $ | 45 |  |  | $ | 16 |
(a) | This category represents private equity funds that invest principally in U.S. technology companies.
Reconciliations of Pension Plan Investments Measured at Fair Value on Recurring Basis | The table below presents a reconciliation of all pension plan investments measured at fair value on a recurring basis using significant unobservable inputs (level 3) for the years ended December 31, 2011 and 2010 (in millions):
| Fair Value Measurements Using Significant |
| Unobservable Inputs (Level 3) |
| Real Estate |  |  | Private Equity |  |  | Insurance |  |  | Total |
Beginning balance, January 1, 2010 | $ | 23 |  |  | $ | 3 |  |  | $ | 1 |  |  | $ | 27 |
Actual return on plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held at the reporting date |  | 3 |  |  |  | -- |  |  |  | -- |  |  |  | 3 |
Assets sold during the period |  | (1 | ) |  |  | -- |  |  |  | -- |  |  |  | (1 | )
Purchases, sales and settlements |  | (12 | ) |  |  | (1 | ) |  |  | -- |  |  |  | (13 | )
Ending balance, December 31, 2010 |  | 13 |  |  |  | 2 |  |  |  | 1 |  |  |  | 16 |
Actual return on plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets held at the reporting date |  | 2 |  |  |  | -- |  |  |  | -- |  |  |  | 2 |
Assets sold during the period |  | -- |  |  |  | -- |  |  |  | -- |  |  |  | -- |
Purchases, sales and settlements |  | (1 | ) |  |  | -- |  |  |  | -- |  |  |  | (1 | )
Ending balance, December 31, 2011 | $ | 14 |  |  | $ | 2 |  |  |  | 1 |  |  | $ | 17 |
Benefit Obligation, Plan Assets, and Funded Status | The status of the funded defined benefit pension plan and the unfunded accumulated post-retirement benefit plans at December 31, 2011 and 2010 are shown below (in millions):
|  | Pension Benefits |  |  | Other Post-retirement Benefits |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Change in Benefit Obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 355 |  |  | $ | 322 |  |  | $ | 65 |  |  | $ | 54 |
Service cost |  |  | 9 |  |  |  | 8 |  |  |  | 1 |  |  |  | 1 |
Interest cost |  |  | 20 |  |  |  | 19 |  |  |  | 4 |  |  |  | 3 |
Plan participants' contributions |  |  | -- |  |  |  | -- |  |  |  | 2 |  |  |  | 3 |
Actuarial (gain) loss |  |  | 36 |  |  |  | 24 |  |  |  | (6 | ) |  |  | 10 |
Benefits paid |  |  | (18 | ) |  |  | (18 | ) |  |  | (6 | ) |  |  | (6 | )
Amendments |  |  | (36 | ) |  |  | -- |  |  |  | -- |  |  |  | -- |
Benefit obligation at end of year |  | $ | 366 |  |  | $ | 355 |  |  | $ | 60 |  |  | $ | 65 |
Change in Plan Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  |  | 285 |  |  |  | 260 |  |  |  | -- |  |  |  | -- |
Actual return on plan assets |  |  | (15 | ) |  |  | 37 |  |  |  | -- |  |  |  | -- |
Employer contributions |  |  | 5 |  |  |  | 6 |  |  |  | -- |  |  |  | -- |
Benefits paid |  |  | (18 | ) |  |  | (18 | ) |  |  | -- |  |  |  | -- |
Fair value of plan assets at end of year |  | $ | 257 |  |  | $ | 285 |  |  | $ | -- |  |  | $ | -- |
Funded Status and Recognized Liability |  | $ | (109 | ) |  | $ | (70 | ) |  | $ | (60 | ) |  | $ | (65 | )
Amounts Recognized on the Consolidated Balance Sheets and in Accumulated Other Comprehensive Loss | Amounts recognized on the consolidated balance sheets and in accumulated other comprehensive loss at December 31, 2011 and 2010 were as follows (in millions):
|  | Pension Benefits |  |  | Other Post-retirement Benefits |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Non-current assets |  | $ | 1 |  |  | $ | 3 |  |  | $ | -- |  |  | $ | -- |
Current liabilities |  |  | -- |  |  |  | -- |  |  |  | (3 | ) |  |  | (4 | )
Non-current liabilities |  |  | (110 | ) |  |  | (73 | ) |  |  | (57 | ) |  |  | (61 | )
Total |  | $ | (109 | ) |  | $ | (70 | ) |  | $ | (60 | ) |  | $ | (65 | )
Net loss (net of taxes) |  | $ | 110 |  |  | $ | 70 |  |  | $ | (1 | ) |  | $ | 6 |
Unrecognized prior service (credit) cost (net of taxes) |  |  | (20 | ) |  |  | 3 |  |  |  | -- |  |  |  | -- |
Total |  | $ | 90 |  |  | $ | 73 |  |  | $ | (1 | ) |  | $ | 6 |
Accumulated Benefit Obligation in Excess of Plan Assets | The information for qualified pension plans with an accumulated benefit obligation in excess of plan assets at December 31, 2011 and 2010 is shown below (in millions):
|  | 2011 |  |  | 2010 |
Projected benefit obligation |  | $ | 358 |  |  | $ | 349 |
Accumulated benefit obligation |  | $ | 355 |  |  | $ | 319 |
Fair value of plan assets |  | $ | 248 |  |  | $ | 275 |
Components of Net Periodic Benefit Cost and Other Amounts Recognized in Other Comprehensive Loss | Components of the net periodic benefit cost and other amounts recognized in other comprehensive loss for the defined benefit pension plans and the post-retirement health care and life insurance benefit plans during 2011, 2010, and 2009, are shown below (in millions):
| Pension Benefits |  |  | Other Post-retirement Benefits |
| 2011 |  |  | 2010 |  |  | 2009 |  |  | 2011 |  |  | 2010 |  |  | 2009 |
Components of Net Periodic Benefit Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | 9 |  |  | $ | 8 |  |  | $ | 8 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 1 |
Interest cost |  | 20 |  |  |  | 19 |  |  |  | 19 |  |  |  | 4 |  |  |  | 3 |  |  |  | 3 |
Expected return on plan assets |  | (23 | ) |  |  | (21 | ) |  |  | (20 | ) |  |  | -- |  |  |  | -- |  |  |  | -- |
Amortization of net loss |  | 9 |  |  |  | 8 |  |  |  | 12 |  |  |  | 2 |  |  |  | -- |  |  |  | -- |
Amortization of prior service cost |  | 1 |  |  |  | 1 |  |  |  | 1 |  |  |  | -- |  |  |  | -- |  |  |  | -- |
Net periodic benefit cost |  | 16 |  |  |  | 15 |  |  |  | 20 |  |  |  | 7 |  |  |  | 4 |  |  |  | 4 |
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (net of tax) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss (gain) |  | 45 |  |  |  | 5 |  |  |  | (10 | ) |  |  | (4 | ) |  |  | 6 |  |  |  | 1 |
Amortization of unrecognized (loss) gain |  | (5 | ) |  |  | (5 | ) |  |  | (7 | ) |  |  | (1 | ) |  |  | (2 | ) |  |  | -- |
Prior service (credit) cost |  | (22 | ) |  |  | -- |  |  |  | 1 |  |  |  | -- |  |  |  | -- |  |  |  | -- |
Amortization of prior service cost |  | (1 | ) |  |  | (1 | ) |  |  | (1 | ) |  |  | -- |  |  |  | -- |  |  |  | -- |
Total recognized in other comprehensive income |  | 17 |  |  |  | (1 | ) |  |  | (17 | ) |  |  | (5 | ) |  |  | 4 |  |  |  | 1 |
Total recognized in net periodic benefit cost and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
other comprehensive income | $ | 33 |  |  | $ | 14 |  |  | $ | 3 |  |  | $ | 2 |  |  | $ | 8 |  |  | $ | 5 |
Weighted Average Assumptions Used to Determine Benefit Information | The weighted average assumptions used to determine benefit information during 2011, 2010, and 2009, were as follows:
| Pension Benefits |  |  | Other Post-retirement Benefits |
| 2011 |  |  | 2010 |  |  | 2009 |  |  | 2011 |  |  | 2010 |  |  | 2009 |
Weighted Average Assumptions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  | 4.80 | % |  |  | 5.75 | % |  |  | 6.25 | % |  |  | 4.90 | % |  |  | 5.75 | % |  |  | 6.25 | %
Expected return on plan assets |  | 8.25 | % |  |  | 8.25 | % |  |  | 8.50 | % |  |  |  |  |  |  |  |  |  |  |  |
Rate of compensation increase |  | 4.00 | % |  |  | 4.00 | % |  |  | 4.00 | % |  |  | 4.00 | % |  |  | 4.00 | % |  |  | 4.00 | %
Initial health care cost trend rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 9.00 | % |  |  | 10.00 | % |  |  | 9.00 | %
Ultimate rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
Year ultimate rate is reached |  |  |  |  |  |  |  |  |  |  |  |  |  | 201 | 6 |  |  | 201 | 6 |  |  | 201 | 4
Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates | If the assumed health care cost trend rate were increased or decreased by one percentage point, the accumulated post-retirement benefit obligation, as of December 31, 2011, 2010, and 2009 and the net periodic post-retirement benefit cost for 2011, 2010 and 2009, would have increased or decreased as follows (in millions):
| Other Post-retirement Benefits |
| One Percentage Point |
| Increase |  |  | Decrease |
| 2011 |  |  | 2010 |  |  | 2009 |  |  | 2011 |  |  | 2010 |  |  | 2009 |
Effect on total of service and interest cost components | $ | 1 |  |  | $ | 1 |  |  | $ | -- |  |  | $ | (1 | ) |  | $ | -- |  |  | $ | -- |
Effect on post-retirement benefit obligation | $ | 7 |  |  | $ | 8 |  |  | $ | 5 |  |  | $ | (6 | ) |  | $ | (6 | ) |  | $ | (4 | )
Estimated Future Benefit Payments For the Next Ten Years | The estimated future benefit payments for the next ten years are as follows (in millions):
|  | Pension |  | Non-qualified |  | Post-retirement
Year |  | Benefits |  | Plan Benefits |  | Benefits
2012 |  |  | $ | 19 |  |  |  |  | $ | 4 |  |  |  |  | $ | 3 |  |
2013 |  |  |  | 20 |  |  |  |  |  | 1 |  |  |  |  |  | 3 |  |
2014 |  |  |  | 21 |  |  |  |  |  | 1 |  |  |  |  |  | 3 |  |
2015 |  |  |  | 21 |  |  |  |  |  | 1 |  |  |  |  |  | 3 |  |
2016 |  |  |  | 22 |  |  |  |  |  | 5 |  |  |  |  |  | 4 |  |
2017-2021 |  |  |  | 118 |  |  |  |  |  | 2 |  |  |  |  |  | 18 |  |
Information Regarding Multiemployer Plans | The last column lists the expiration date(s) of the collective-bargaining agreement(s) to which the plans are subject.
|  |  | Pension Protection Act Zone Status as of December 31, |  | FIP/RP Status |  | Contributions of Matson ($ in millions) |  |  |  | Expiration Date of Collective |
Pension Fund | EIN/Pension Plan Number |  | 2011 |  | 2010 |  | Pending/ Implemented |  |  | 2011 |  |  | 2010 |  |  | 2009 |  | Surcharge Imposed |  | Bargaining Agreement |
Hawaii Stevedoring Multiemployer Retirement Plan | 99-0314293/001 |  | Yellow |  | Yellow |  | Implemented |  | $ | 2.2 |  | $ | 2.0 |  | $ | 2.0 |  | No |  | 6/30/2014 |
Master, Mates and Pilots | 13-6372630/001 |  | Green |  | Red |  | None |  |  | 3.0 |  |  | 2.9 |  |  | 2.6 |  | No |  | 6/15/2012-8/15/2013 |
Hawaii Terminals Multiemployer Pension Plan | 20-0389370/001 |  | Yellow |  | Yellow |  | Implemented |  |  | 5.2 |  |  | 5.2 |  |  | 5.0 |  | No |  | 6/30/2014 |
OCU Trust Pension | 26-1574440/001 |  | Green |  | Green |  | None |  |  | 0.1 |  |  | 0.1 |  |  | 0.1 |  | No |  | 6/30/2010 |
Other Plans |  |  |  |  |  |  |  |  |  | - |  |  | - |  |  | - |  |  |  |  |
Total |  |  |  |  |  |  |  |  | $ | 10.5 |  | $ | 10.2 |  | $ | 9.7 |  |  |  |  |
Masters, Mates and Pilots Pension Plan utilized the special 29-year amortization rules provided by Public Law 111-192, Section 211 to amortize its losses from 2008. As a result, the plan's zone status changed from red in 2010 to green in 2011. Also, Matson is party to 2 collective-bargaining agreements based upon vessels that require contributions to this plan: Contract A, covering 13 vessels, expires on August 15, 2013, and Contract B, covering 1 vessel, expires on June 15, 2012. Matson was listed in its plans' Forms 5500 as providing more than five percent of the total contributions for the following plans and plan years:
Pension Plan |  |  | Year Contributions to Plan Exceeded More than 5 Percent of Total Contributions (as of December 31 of the Plan's Year-End)
Hawaii Stevedoring Multiemployer Pension Plan |  |  | 2011, 2010 and 2009
Hawaii Terminals Multiemployer Pension Plan |  |  | 2011, 2010 and 2009
Masters, Mates and Pilots Pension Plan |  |  | 2010 and 2009*
* As of the date the financial statements were issued, Form 5500 was not available for the plan year ending in 2011.

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- Definition Tabular disclosure of net funded status of pension plans and/or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (c) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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