Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Retirement Plans and Employee Rights Upon Termination (Narrative) (Details)

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Retirement Plans and Employee Rights Upon Termination (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
2 Months Ended 12 Months Ended
Mar. 03, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Retirement Plans and Employee Rights Upon Termination [Abstract]        
Employee contribution percentage   50.00%    
Employer contributions matching amount $ 3,000 $ 3,000    
Percent of employee contribution matched by the Company 4.00% 3.00%    
Employer contribution amount   $ 1,100 $ 800 $ 500