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Other Long-Term Liabilites (Significant Assumptions Used for Defined Benefit Pension Plan) (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Other Long-Term Liabilities [Abstract]    
Discount rate 1.00% 1.00%
Expected long-term return on plan assets 2.20% 2.20%
Rate of compensation increase 2.00% 2.00%