Fair Value, Assets, Level 1 to Level 2 Transfers, Effect On Earnings Percent

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- Definition

Fair Value, Assets, Level 1 to Level 2 Transfers, Effect On Total Assets Percent

+ References

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- Definition

Number of Defined Benefit Pension Plans

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- Definition

Number of total defined benefit plans the company sponsors

+ References

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- Definition

The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, 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

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- Definition

The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

+ References

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-Glossary Plan Curtailment

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- Definition

The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

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Employee Benefit Plans (Details Textual) (USD $)	12 Months Ended
Employee Benefit Plans (Details Textual) (USD $)	Dec. 31, 2013 plan	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit plans	3
Number of defined benefit pension plans covering certain employees at designated repair facilities	2
Contribution to pension and post retirement plans	$ 900,000
Significance of level 1 to level 2 transfer on earnings (less than 1%)	1.00%
Significance of level 1 to level 2 transfer on total assets (less than 1%)	1.00%
Expenses related to qualified defined contribution plans	1,000,000	900,000	800,000
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Remaining prior service credits recognized	0	0	0
Net actuarial loss (gain) expected to be amortized from accumulated other comprehensive loss	(300,000)
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Remaining prior service credits recognized	1,698,000	0	0
Net actuarial loss (gain) expected to be amortized from accumulated other comprehensive loss	$ (100,000)
Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Average target investment mix percentage	65.00%
Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Average target investment mix percentage	35.00%