XML 99 R38.htm IDEA: XBRL DOCUMENT
v2.4.1.9

PENSION PLAN AND OTHER BENEFIT PLANS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Pension Plan [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Change in Benefit Obligation |
Change in projected benefit obligation: |  | 2014 |  |  | 2013 |
Benefit obligation at beginning of year |  | $ | 36,186 |  |  | $ | 38,051 |
Service cost |  |  | 1,045 |  |  |  | 1,195 |
Interest cost |  |  | 1,738 |  |  |  | 1,587 |
Actuarial (gain) loss |  |  | 8,064 |  |  |  | (3,269 | )
Benefits paid |  |  | (1,489 | ) |  |  | (1,378 | )
Benefit obligation at end of year |  | $ | 45,544 |  |  | $ | 36,186 |
Change in Plan Assets |
Change in plan assets: |  | 2014 |  |  | 2013 |
Fair value of plan assets at beginning of year |  | $ | 41,782 |  |  | $ | 37,239 |
Actual return on plan assets |  |  | 3,043 |  |  |  | 5,921 |
Employer contributions |  |  | - |  |  |  | - |
Benefits paid |  |  | (1,489 | ) |  |  | (1,378 | )
Fair value of plan assets at end of year |  | $ | 43,336 |  |  | $ | 41,782 |
Funded status |  | $ | (2,207 | ) |  | $ | 5,596 |
Amount Recognized in Accumulated Other Comprehensive Income | Amount recognized in accumulated other comprehensive income (loss) at December 31, 2014 and 2013 consist of the following (amounts in thousands):
|  | 2014 |  |  | 2013 |
Net actuarial loss |  | $ | 17,388 |  |  | $ | 9,843 |
Prior service cost |  |  | 15 |  |  |  | 22 |
Total before tax effects |  | $ | 17,403 |  |  | $ | 9,865 |
Assumptions Used in Determining Benefit Obligation | The principal actuarial assumptions used in determining the projected benefit obligation as of December 31, 2014, 2013 and 2012 were as follows:
|  | 2014 |  |  | 2013 |  |  | 2012 |
Discount rate |  |  | 4.09 | % |  |  | 4.92 | % |  |  | 4.26 | %
Assumed rate of future compensation increase |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
Components of Net Periodic Benefit Cost |
Net periodic benefit cost |  | 2014 |  |  | 2013 |  |  | 2012 |
Service cost, benefits earned during the year |  | $ | 1,045 |  |  | $ | 1,195 |  |  | $ | 1,074 |
Interest cost on projected benefit obligation |  |  | 1,738 |  |  |  | 1,587 |  |  |  | 1,606 |
Expected return on plan assets |  |  | (3,174 | ) |  |  | (2,824 | ) |  |  | (2,743 | )
Amortization of net loss |  |  | 649 |  |  |  | 1,579 |  |  |  | 1,410 |
Amortization of prior service cost |  |  | 7 |  |  |  | 14 |  |  |  | 14 |
Net periodic cost |  | $ | 265 |  |  | $ | 1,551 |  |  | $ | 1,361 |
Schedule of Other Amounts Recognized in Other Comprehensive Income |
Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss): |  | 2014 |  |  | 2013 |  |  | 2012 |
Net actuarial (gain) loss |  | $ | 8,195 |  |  | $ | (6,367 | ) |  | $ | 3,365 |
Recognized loss |  |  | (649 | ) |  |  | (1,579 | ) |  |  | (1,410 | )
Amortization of prior service cost |  |  | (7 | ) |  |  | (14 | ) |  |  | (14 | )
Total recognized in other comprehensive (loss) income (before tax effect) |  | $ | 7,539 |  |  | $ | (7,960 | ) |  | $ | 1,941 |
Total recognized in net benefit cost and other comprehensive (loss) income (before tax effect) |  | $ | 7,804 |  |  | $ | (6,409 | ) |  | $ | 3,302 |
Amounts Expected to be Recognized in Net Periodic Cost |
Amounts expected to be recognized in net periodic cost during 2015 |  |  |
Loss recognition |  | $ | 1,475 |
Prior service cost recognition |  | $ | 7 |
Assumptions Used in Determining Net Periodic Benefit Cost | The principal actuarial assumptions used in determining the net periodic benefit cost for the years ended December 31, 2014, 2013 and 2012 were as follows:
|  | 2014 |  |  | 2013 |  |  | 2012 |
Discount rate |  |  | 4.92 | % |  |  | 4.26 | % |  |  | 4.95 | %
Expected long-term rate of return on assets |  |  | 7.75 | % |  |  | 7.75 | % |  |  | 8.00 | %
Assumed rate of future compensation increase |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
Target Assets Allocations | The expected return on plan assets was determined based on a Capital Asset Pricing Model ("CAPM") using historical and expected future returns of the various asset classes, reflecting the target allocations described below.
Asset Class |  | Target Allocation 2014 |  |  | Percentage of Plan Assets at December 31, |  |  | Expected Long-Term Rate of Return |
|  |  |  |  | 2014 |  |  | 2013 |  |  |  |
Large cap domestic equities |  |  | 30% - 60 | % |  |  | 50 | % |  |  | 54 | % |  |  | 10.3 | %
Mid-cap domestic equities |  |  | 0% - 20 | % |  |  | 14 | % |  |  | 8 | % |  |  | 10.6 | %
Small-cap domestic equities |  |  | 0% - 15 | % |  |  | 3 | % |  |  | 3 | % |  |  | 10.8 | %
International equities |  |  | 0% - 25 | % |  |  | 4 | % |  |  | 4 | % |  |  | 10.3 | %
Intermediate fixed income |  |  | 20% - 50 | % |  |  | 26 | % |  |  | 26 | % |  |  | 4.7 | %
Alternative assets |  |  | 0% - 10 | % |  |  | 2 | % |  |  | 3 | % |  |  | 7.5 | %
Cash |  |  | 0% - 20 | % |  |  | 1 | % |  |  | 2 | % |  |  | 2.5 | %
Total |  |  |  |  |  |  | 100 | % |  |  | 100 | % |  |  |  |
Fair Value of Plan Assets | The fair value of the plan assets at December 31, 2014 and 2013, by asset class are as follows (amounts in thousands):
|  |  | Fair Value Measurement at December 31, 2014 Using |
Plan Assets |  | Carrying Value |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Cash |  | $ | 626 |  |  | $ | 626 |  |  | $ | - |  |  | $ | - |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. companies |  |  | 28,011 |  |  |  | 28,011 |  |  |  | - |  |  |  | - |
International companies |  |  | 856 |  |  |  | 856 |  |  |  | - |  |  |  | - |
Mutual funds |  |  | 7,111 |  |  |  | 7,111 |  |  |  | - |  |  |  | - |
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasuries/Government bonds |  |  | 2,701 |  |  |  | 2,701 |  |  |  | - |  |  |  | - |
U.S. Corporate bonds |  |  | 3,775 |  |  |  | - |  |  |  | 3,775 |  |  |  | - |
Foreign bonds, notes & debentures |  |  | 256 |  |  |  | - |  |  |  | 256 |  |  |  | - |
Total plan assets |  | $ | 43,336 |  |  | $ | 39,305 |  |  | $ | 4,031 |  |  | $ | - |
|  |  | Fair Value Measurement at December 31, 2013 Using |
Plan Assets |  | Carrying Value |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Cash |  | $ | 982 |  |  | $ | 982 |  |  | $ | - |  |  | $ | - |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. companies |  |  | 27,170 |  |  |  | 27,170 |  |  |  | - |  |  |  | - |
Mutual funds |  |  | 7,288 |  |  |  | 7,288 |  |  |  | - |  |  |  | - |
Debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasuries/Government bonds |  |  | 3,309 |  |  |  | 3,309 |  |  |  | - |  |  |  | - |
U.S. Corporate bonds |  |  | 2,771 |  |  |  | - |  |  |  | 2,771 |  |  |  | - |
Foreign bonds, notes & debentures |  |  | 262 |  |  |  | - |  |  |  | 262 |  |  |  | - |
Total plan assets |  | $ | 41,782 |  |  | $ | 38,749 |  |  | $ | 3,033 |  |  | $ | - |
Estimated Benefit Payments | The following table presents the estimated benefit payments for each of the next five years and the aggregate amount expected to be paid in years six through ten for the pension plan (amounts in thousands):
Calendar Year |  | Future Expected Benefit Payments |
2015 |  | $ | 1,761 |
2016 |  | $ | 1,849 |
2017 |  | $ | 1,949 |
2018 |  | $ | 2,052 |
2019 |  | $ | 2,114 |
2020-2024 |  | $ | 11,949 |
Defined Benefit Health Care Plan [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Change in Benefit Obligation |
Changes in accumulated postretirement benefit obligation: |  | 2014 |  |  | 2013 |
Accumulated postretirement benefit obligation - beginning of year |  | $ | 1,490 |  |  | $ | 1,534 |
Service cost |  |  | 39 |  |  |  | 44 |
Interest cost |  |  | 72 |  |  |  | 66 |
Participant contributions |  |  | 84 |  |  |  | 74 |
Actuarial (gain) loss |  |  | 177 |  |  |  | (61 | )
Benefits paid |  |  | (199 | ) |  |  | (167 | )
Accumulated postretirement benefit obligation at end of year |  | $ | 1,663 |  |  | $ | 1,490 |
Change in Plan Assets |
Change in plan assets: |  | 2014 |  |  | 2013 |
Fair value of plan assets at beginning of year |  | $ | - |  |  | $ | - |
Employer contribution |  |  | 115 |  |  |  | 93 |
Plan participants’ contributions |  |  | 84 |  |  |  | 74 |
Benefits paid |  |  | (199 | ) |  |  | (167 | )
Fair value of plan assets at end of year |  | $ | - |  |  | $ | - |
Funded status |  | $ | (1,663 | ) |  | $ | (1,490 | )
Amount Recognized in Accumulated Other Comprehensive Income | Amount recognized in accumulated other comprehensive income (loss) at December 31, 2014 and 2013 consist of the following (amounts in thousands):
|  | 2014 |  |  | 2013 |
Net actuarial loss |  | $ | 322 |  |  | $ | 148 |
Prior service benefit |  |  | (531 | ) |  |  | (628 | )
Total before tax effects |  | $ | (209 | ) |  | $ | (480 | )
Weighted-Average Assumption for Disclosure of Health Care Cost Trend |
Weighted-average assumption for disclosure as of December 31, |  | 2014 |  |  | 2013 |  |  | 2012 |
Discount rate |  |  | 4.09 | % |  |  | 4.92 | % |  |  | 4.26 | %
Health care cost trend: Initial |  |  | 7.00 | % |  |  | 8.00 | % |  |  | 9.00 | %
Health care cost trend: Ultimate |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
Year ultimate cost trend reached |  |  | 2018 |  |  |  | 2018 |  |  |  | 2018 |
Components of Net Periodic Benefit Cost |
Net periodic benefit cost |  | 2014 |  |  | 2013 |  |  | 2012 |
Service cost |  | $ | 39 |  |  | $ | 44 |  |  | $ | 39 |
Interest cost |  |  | 72 |  |  |  | 66 |  |  |  | 71 |
Amortization of prior service benefit |  |  | (97 | ) |  |  | (97 | ) |  |  | (97 | )
Recognized actuarial loss |  |  | 3 |  |  |  | 10 |  |  |  | 1 |
Net periodic postretirement cost |  | $ | 17 |  |  | $ | 23 |  |  | $ | 14 |
Schedule of Other Amounts Recognized in Other Comprehensive Income |
Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss): |  | 2014 |  |  | 2013 |  |  | 2012 |
Net actuarial (gain) loss |  | $ | 177 |  |  | $ | (61 | ) |  | $ | 178 |
Recognized actuarial loss |  |  | (3 | ) |  |  | (10 | ) |  |  | (1 | )
Amortization of prior service benefit |  |  | 97 |  |  |  | 97 |  |  |  | 97 |
Total recognized in other comprehensive income (loss) (before tax effect) |  | $ | 271 |  |  | $ | 26 |  |  | $ | 274 |
Total recognized in net benefit cost and other comprehensive income (loss) (before tax effect) |  | $ | 288 |  |  | $ | 49 |  |  | $ | 288 |
Amounts Expected to be Recognized in Net Periodic Cost |
Amounts expected to be recognized in net periodic cost during 2015: |  |  |
Loss recognition |  | $ | 10 |
Prior service cost recognition |  | $ | (97 | )
Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rates | Assumed health care cost trend rates have a significant effect on the amounts reported for the health care plan. A one-percentage point change in assumed health care cost trend rates would have the following effects (amounts in thousands):
Effect of a 1% increase in health care trend rate on: |  | 2014 |  |  | 2013 |  |  | 2012 |
Benefit obligation |  | $ | 5 |  |  | $ | 15 |  |  | $ | 4 |
Total service and interest cost |  | $ | - |  |  | $ | - |  |  | $ | - |
Effect of a 1% decrease in health care trend rate on: |  | 2014 |  |  | 2013 |  |  | 2012 |
Benefit obligation |  | $ | (6 | ) |  | $ | (23 | ) |  | $ | (5 | )
Total service and interest cost |  | $ | - |  |  | $ | (2 | ) |  | $ | (1 | )
Weighted-Average Assumption for Net Periodic Cost |
Weighted-average assumptions for net periodic cost as of December 31,: |  | 2014 |  |  | 2013 |  |  | 2012 |
Discount rate |  |  | 4.92 | % |  |  | 4.26 | % |  |  | 4.95 | %
Health care cost trend: Initial |  |  | 8.00 | % |  |  | 9.00 | % |  |  | 10.00 | %
Health care cost tread: Ultimate |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
Year ultimate reached |  |  | 2018 |  |  |  | 2018 |  |  |  | 2018 |
Estimated Benefit Payments | The following table presents the estimated benefit payments for each of the next five years and the aggregate amount expected to be paid in years six through ten (amounts in thousands):
Calendar Year |  | Future Estimated Benefit Payments |
2015 |  | $ | 201 |
2016 |  | $ | 176 |
2017 |  | $ | 140 |
2018 |  | $ | 150 |
2019 |  | $ | 159 |
2020-2024 |  | $ | 652 |
Executive Supplemental Pension Plan [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Change in Benefit Obligation |
Change in projected benefit obligation: |  | 2014 |  |  | 2013 |
Benefit obligation at beginning of year |  | $ | 1,116 |  |  | $ | 1,162 |
Service cost |  |  | 38 |  |  |  | 40 |
Interest cost |  |  | 55 |  |  |  | 48 |
Actuarial (gain) loss |  |  | 110 |  |  |  | (59 | )
Benefits paid |  |  | (75 | ) |  |  | (75 | )
Projected benefit obligation at end of year |  | $ | 1,244 |  |  | $ | 1,116 |
Change in Plan Assets |
Changes in plan assets: |  | 2014 |  |  | 2013 |
Fair value of plan assets at beginning of year |  | $ | - |  |  | $ | - |
Employer contributions |  |  | 75 |  |  |  | 75 |
Benefits paid |  |  | (75 | ) |  |  | (75 | )
Fair value of plan assets at end of year |  | $ | - |  |  | $ | - |
Unfunded status |  | $ | (1,244 | ) |  | $ | (1,116 | )
Amount Recognized in Accumulated Other Comprehensive Income | Amounts recognized in accumulated other comprehensive income (loss) at December 31, 2014 and 2013 consist of the following (amounts in thousands):
|  | 2014 |  |  | 2013 |
Net actuarial loss |  | $ | 275 |  |  | $ | 194 |
Prior service cost |  |  | - |  |  |  | - |
Total before tax effects |  | $ | 275 |  |  | $ | 194 |
Assumptions Used in Determining Benefit Obligation |
Weighted-average assumption for disclosure as of December 31,: |  | 2014 |  |  | 2013 |  |  | 2012 |
Discount rate |  |  | 4.09 | % |  |  | 4.92 | % |  |  | 4.26 | %
Assumed rate of future compensation increase |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
Components of Net Periodic Benefit Cost |
Net periodic benefit cost |  | 2014 |  |  | 2013 |  |  | 2012 |
Service cost |  | $ | 38 |  |  | $ | 40 |  |  | $ | 35 |
Interest cost |  |  | 55 |  |  |  | 48 |  |  |  | 51 |
Recognized actuarial loss |  |  | 29 |  |  |  | 34 |  |  |  | 20 |
Net periodic postretirement benefit cost |  | $ | 122 |  |  | $ | 122 |  |  | $ | 106 |
Schedule of Other Amounts Recognized in Other Comprehensive Income |
Other changes in plan assets and benefit obligation recognized in other comprehensive income (loss): |  | 2014 |  |  | 2013 |  |  | 2012 |
Net actuarial (gain) loss |  | $ | 110 |  |  | $ | (59 | ) |  | $ | 81 |
Recognized actuarial loss |  |  | (29 | ) |  |  | (34 | ) |  |  | (20 | )
Total recognized in other comprehensive income (loss) (before tax effect) |  | $ | 81 |  |  | $ | (93 | ) |  | $ | 61 |
Total recognized in net benefit cost and other comprehensive income (loss) (before tax effect) |  | $ | 203 |  |  | $ | 29 |  |  | $ | 167 |
Amounts Expected to be Recognized in Net Periodic Cost |
Amounts expected to be recognized in net periodic cost during 2015: |  |  |
Loss recognition |  | $ | 50 |
Prior service cost recognition |  | $ | - |
Assumptions Used in Determining Net Periodic Benefit Cost |
Weighted-average assumptions for net periodic cost as of December 31,: |  | 2014 |  |  | 2013 |  |  | 2012 |
Discount rate |  |  | 4.92 | % |  |  | 4.26 | % |  |  | 4.95 | %
Salary scale |  |  | 5.00 | % |  |  | 5.00 | % |  |  | 5.00 | %
Estimated Benefit Payments | The following table presents the estimated benefit payments for each of the next five years and the aggregate amount expected to be paid in years six through ten for the Supplemental Pension Plan (amounts in thousands):
Calendar Year |  | Future Estimated Benefit Payments |
2015 |  | $ | 75 |
2016 |  | $ | 75 |
2017 |  | $ | 75 |
2018 |  | $ | 116 |
2019 |  | $ | 116 |
2020-2024 |  | $ | 580 |

X
- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in accumulated other comprehensive income (loss) as of the balance sheet date for pension plans and/or other employee benefit plans. + References No definition available. + Details
Name: | chmg_ScheduleOfAmountsRecognizedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | chmg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References No definition available. + Details
Name: | chmg_ScheduleOfAssumptionsUsedInDeterminingBenefitObligationsTableTextBlock
Namespace Prefix: | chmg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References No definition available. + Details
Name: | chmg_ScheduleOfAssumptionsUsedInDeterminingNetPeriodicBenefitCostTableTextBlock
Namespace Prefix: | chmg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected net periodic cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved. + References No definition available. + Details
Name: | chmg_ScheduleOfHealthCareCostTrendRatesForNetPeriodicCostTableTextBlock
Namespace Prefix: | chmg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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 (d)(5) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income (loss) expected to be recognized as components of net periodic benefit cost over the next fiscal year, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation. + 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 (s) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAmountsInAccumulatedOtherComprehensiveIncomeLossToBeRecognizedOverNextFiscalYearTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of 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 (i) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + 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) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination 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 (a) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 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 -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=35743120&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=34716465&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 4 -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2439-114920 Reference 5: 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 + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_OtherPensionPlansPostretirementOrSupplementalPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |