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Re-engineering and Impairment Costs (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Dec. 31, 2016
Restructuring Reserve [Roll Forward]      
Beginning of the year balance $ 1.6 $ 1.7 $ 1.7
Provision 2.3 $ 1.1 7.6
Non-cash charges 0.0   (0.3)
End of period balance 2.6   1.6
Severance      
Restructuring Reserve [Roll Forward]      
Cash expenditures (1.0)   (5.2)
Other      
Restructuring Reserve [Roll Forward]      
Cash expenditures $ (0.3)   $ (2.2)