Represents the percentage of funded status of the defined benefit plan asset as of the most recent year available.

No definition available.

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- Definition

Amount of contributions made to profit sharing and retirement savings-investment plans.

+ References

No definition available.

+ Details

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- Definition

Service period for non-union employees, for the company to sponsor defined contribution pension plan.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of surcharge included in the contributions made to multiemployer plans by the employer.

+ References

No definition available.

+ Details

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- Definition

Estimated amount of the obligation that would be recognized due to withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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- Definition

Represents the targeted period in which the plan is projected to emerge from critical status.

+ References

No definition available.

+ Details

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- Definition

Represents employer payable surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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- Definition

Represents employer payable compounded annual surcharge for rehabilitation within a specified period to the pension or postretirement benefit plan to which two or more unrelated employers contribute, where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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- Definition

Represents the projection period beyond which the plan is projected to emerge from critical status.

+ References

No definition available.

+ Details

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- Definition

Represents the number of deferred compensation plans for selected executives and other employees sponsored by the company.

+ References

No definition available.

+ Details

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- Definition

Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 80

-Section 50

-Paragraph 11

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- Definition

The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

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- Definition

Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Glossary Trading Securities

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-Subparagraph (SX 210.9-03.4)

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EMPLOYEE BENEFIT PLANS: (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 01, 2013
Pension plans
Employer contributions to profit sharing and retirement savings-investment plan		$ 1,117	$ 1,121	$ 1,107
Deferred compensation
Number of deferred compensation plans				3tr_NumberOfDeferredCompensationPlans
Trading securities		71,682us-gaap_TradingSecurities	63,215us-gaap_TradingSecurities
Pension Plan [Member]
Pension plans
Credited service period		1 year
Pension Expense		4,391	4,437	4,327
Multi-employer defined benefit pension plan
Pension plans
Percentage of funded status					66.41%
Employer contributions to multi-employer defined benefit pension plans		2,588	2,231	2,131
Deferred compensation
Percentage of annual compounded surcharge for rehabilitation within ten years		5.00%
Percentage of interim surcharge	5.00%
Projection period beyond which plan is projected to emerge from critical status, under the Rehabilitant Plan		30 years
Rehabilitation period		10 years
Estimated liability upon withdrawal from plan		56,400		37,200
Surcharges included in the employer contributions to multi-employer defined benefit pension plans		$ 342	$ 242