Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 03, 2015	Jun. 27, 2014	Jul. 03, 2015	Jun. 27, 2014
Compensation and Retirement Disclosure [Abstract]
Loss that will be amortized from accumulated other comprehensive income in the next year			$ (10.5)
Defined benefit pension plan cash contributions	$ 3.0	$ 3.3	$ 6.0	$ 6.6

Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).

No definition available.

Name:	us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration