Earnings Per Share ("EPS") (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Earnings Per Share [Abstract]
Shares excluded from the calculation of the effect of dilutive securities	1.3	0.3	1.2	0.2
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator for basic EPS (in shares)	44.7	44.8	44.7	44.8
Effect of dilutive securities (in shares)	0.3	0.4	0.3	0.3
Denominator for diluted EPS (in shares)	45.0	45.2	45.0	45.1