Defined Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Components of net periodic benefit cost
Service cost - administrative costs	$ 0.2	$ 0.1
Interest costs on benefits obligation	1.5	1.4
Expected return on assets	(1.5)	(1.7)
Net actuarial loss amortization	0.3	0.2
Net periodic benefit cost	0.5
Information related to the Company's pension funds cash flow
Employer contributions	0.2	0.2
Expected employer contributions in remainder of fiscal year	$ 0.6