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Consolidated Statement of Changes in Shareholders' Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 26, 2015
Sep. 26, 2015
Jun. 27, 2015
Dec. 26, 2015
Consolidated Statement of Changes in Shareholders' Equity [Abstract]        
Common stock cash dividends per share $ 0.15 $ 0.15 $ 0.15  
Pension liability adjustment - pre-tax       $ (505)