The total amount of restructuring and severance payments that have occurred during the current period.

No definition available.

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- Definition

This item represents liabilities associated with restructuring or exit activities of the acquiree, existing at the acquisition date (present liabilities of the acquiree).

+ References

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

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
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- Definition

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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-Publisher FASB
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- Definition

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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Restructuring and Severance Charges (Details) - USD ($) $ in Millions	3 Months Ended						12 Months Ended
	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jul. 02, 2018
Restructuring Reserve [Roll Forward]
Beginning balance			$ 14.5			$ 11.2	$ 14.5	$ 11.2	$ 1.1
Charges	$ 3.4	$ 4.6	0.3	$ 3.5	$ 3.6	25.6	8.3	32.7	11.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities										$ 3.8
Utilizations							(16.4)	(29.4)	(1.8)
Ending balance	10.2			14.5			10.2	14.5	11.2
Restructuring liabilities included in other current liabilities	9.6			12.0			9.6	12.0
Restructuring liabilities included in other noncurrent liabilities	0.6			2.5			0.6	2.5
Entertainment and Communications [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			12.3			7.5	12.3	7.5	0.8
Charges							3.1	27.6	7.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities										3.8
Utilizations							(10.6)	(22.8)	(1.0)
Ending balance	8.6			12.3			8.6	12.3	7.5
IT Services and Hardware [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			2.2			3.0	2.2	3.0	0.3
Charges							4.9	5.1	3.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities										0.0
Utilizations							(5.8)	(5.9)	(0.6)
Ending balance	1.3			2.2			1.3	2.2	3.0
Corporate Segment [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			0.0			0.7	0.0	0.7	0.0
Charges							0.3	0.0	0.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities										0.0
Utilizations							0.0	(0.7)	(0.2)
Ending balance	0.3			0.0			0.3	0.0	0.7
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			14.4			11.0	14.4	11.0	0.2
Charges							7.5	32.7	12.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities										3.8
Utilizations							(16.2)	(29.3)	(1.7)
Ending balance	9.5			14.4			9.5	14.4	11.0
Lease Abandonment [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			0.1			0.2	0.1	0.2	0.8
Charges							0.8	0.0	(0.5)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities										0.0
Utilizations							(0.2)	(0.1)	(0.1)
Ending balance	0.7			0.1			0.7	0.1	0.2
Contract Terminations [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			$ 0.0			$ 0.0	0.0	0.0	0.1
Charges							0.0	0.0	(0.1)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities										$ 0.0
Utilizations							0.0	0.0	0.0
Ending balance	$ 0.0			$ 0.0			$ 0.0	$ 0.0	$ 0.0