Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Narrative) (Details)

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Shareholders' Equity (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended
Jun. 18, 2014
Mar. 19, 2014
Mar. 31, 2014
Mar. 31, 2013
Sep. 27, 2011
Stockholders' Equity Note [Abstract]          
Shares authorized under share repurchase program         10,000,000
Share repurchased and retired     27,000    
Value of shares repurchased and retired     $ 1.5    
Outstanding common stock acquired, average price     $ 54.10    
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased     1,000,000    
Dividends paid (usd per share)   $ 0.25      
Dividends declared per share $ 0.25   $ 0.25 $ 0.18