| Postretirement Benefits (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2015 | [1] | Oct. 03, 2015 | [1] | Jul. 04, 2015 | [1] | Apr. 04, 2015 | [1] | Dec. 31, 2014 | [1] | Sep. 27, 2014 | [1] | Jun. 28, 2014 | [1] | Mar. 29, 2014 | [1] | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | |||||
| Defined Benefit Plan Disclosure [Line Items] | |||||||||||||||||||||||
| Defined contribution plan expense | $ 46.3 | $ 38.9 | $ 35.8 | ||||||||||||||||||||
| Settlement Loss | $ 82.3 | $ 0.0 | $ 0.0 | $ 0.0 | $ 27.9 | $ 0.0 | $ 0.0 | $ 0.0 | 82.3 | [1] | 27.9 | [1] | 0.0 | ||||||||||
| Pension Plans [Member] | |||||||||||||||||||||||
| Defined Benefit Plan Disclosure [Line Items] | |||||||||||||||||||||||
| Settlement payments | (191.8) | (71.9) | |||||||||||||||||||||
| Defined benefit plan, estimated settlement loss in next fiscal year, maximum | (130.1) | ||||||||||||||||||||||
| Lump sum payments | 61.7 | 80.7 | |||||||||||||||||||||
| Settlement Loss | $ 82.3 | $ 27.9 | $ 0.0 | ||||||||||||||||||||
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- Definition The amount that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments, including those amounts which did not trigger settlement accounting, to plan participants in exchange for their rights to receive specified benefits and/or (b) purchasing nonparticipating annuity contracts. No definition available. 
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- Definition Dollar amount paid to purchase group annuity contract to pay certain plan participants. No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The amount that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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