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Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Operating lease obligations:
Lease and rental expense included in costs and expenses	$ 27.6	$ 26.0	$ 79.0	$ 78.1
New Purchase Obligations [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Unrecorded purchase obligation, next five years	1,200.0		1,200.0
Unrecorded purchase obligation, in total	1,800.0		1,800.0
Litigation matters [Member]
Loss Contingencies [Line Items]
Litigation accruals on an undiscounted basis	$ 0.5		0.5		$ 4.5
Loss contingency, damages awarded			319.4
Loss contingency, total damages sought			535.8
Loss contingency, disgorgement damages sought			150.0
Prejudgment interest			$ 66.4
Post-judgment interest rate			5.00%
Positive Outcome of Litigation [Member]
Gain Contingencies [Line Items]
Counterclaim settlement awarded			$ 0.8

X

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter related to disgorgement.

+ References

No definition available.

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- Definition

The rate at which interest will accrue on legal award after the judgment has been entered by the court.

+ References

No definition available.

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- Definition

Interest accruing on the amount of a legal award from the time of the injury or damage to the time the judgment is entered by the court.

+ References

No definition available.

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X

- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts) over the next five years.

+ References

No definition available.

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- Definition

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X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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X

- References

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X

- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

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No definition available.

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- Definition

Amount of loss contingency liability.

+ References

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- Definition

Amount of damages awarded to the plaintiff in the legal matter.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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