Pension Plans (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015
Pension and Other Postretirement Benefit Expense [Abstract]
Estimated net actuarial loss to be amortized from accumulated other comprehensive loss			$ 4.6
Estimated prior service cost to be amortized from accumulated other comprehensive loss			0.2
Contribution to defined benefit pension plans	$ 0.8	$ 0.9	2.3	$ 2.0	$ 3.1
Expected total contribution to defined benefit pension plans			$ 3.3