Disposals of Fully Amortized Definite-Lived Intangible Assets

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- Definition

This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.

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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.

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Percentage of fair value of reporting unit in excess of carrying amount.

+ References

No definition available.

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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 01, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Document Fiscal Year Focus	2018
Goodwill impairment loss	$ 0.0	$ 0.0	$ 0.0
Amortization expense	223.0	221.0	216.0
Internally developed software
Acquired Finite-Lived Intangible Assets [Line Items]
Disposal of fully amortized definite-lived intangible assets	$ 26.0	$ 24.0	$ 29.0
Public
Acquired Finite-Lived Intangible Assets [Line Items]
Fair values of reporting units, in excess of carry value (as a percent)				179.00%
CANADA
Acquired Finite-Lived Intangible Assets [Line Items]
Fair values of reporting units, in excess of carry value (as a percent)				153.00%