RETIREMENT BENEFIT PLANS (Schedule Of Pension Plan Assets At Fair Value) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 17,501,000	$ 14,694,000
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	184,000	8,000
Significant Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	17,317,000	14,686,000
Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0	0
Cash
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	184,000	8,000
Cash | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	184,000	8,000
Cash | Significant Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0	0
Cash | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0	0
Index-linked government bonds
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	14,857,000	12,630,000
Index-linked government bonds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0	0
Index-linked government bonds | Significant Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	14,857,000	12,630,000
Index-linked government bonds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0	0
Government bonds
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	2,460,000	2,056,000
Government bonds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	0	0
Government bonds | Significant Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	2,460,000	2,056,000
Government bonds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 0	$ 0