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- Definition

Restructuring and severance related charges (reversals)

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No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.

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-Name Accounting Standards Codification
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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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- Definition

The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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-Publisher FASB
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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Glossary Investing Activities
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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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Business Segment Information (Details) $ in Millions	3 Months Ended								12 Months Ended
Business Segment Information (Details) $ in Millions	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting [Abstract]
Revenue	$ 285.3	$ 312.4	$ 299.2	$ 288.9	$ 289.3	$ 299.8	$ 285.8	$ 292.9	$ 1,185.8	$ 1,167.8	$ 1,161.5
Operating income (loss)	10.5	$ 25.5	$ 27.4	$ 29.6	25.0	36.2	29.7	37.1	93.0	128.0	176.9
Payments to Acquire Property, Plant, and Equipment									286.4	283.6	182.3
Depreciation and amortization									182.2	141.6	127.6
Assets	1,541.0				1,446.4				1,541.0	1,446.4
Service revenue									978.7	933.0	890.2
Product revenue									$ 207.1	$ 234.8	$ 271.3
Segment Reporting [Abstract]
Number of Operating Segments									2	2	2
Restructuring and severance related charges (reversals)	11.9					$ 0.3	$ 2.3	$ 3.4	$ 11.9	$ 6.0	$ (0.4)
Impairment of assets, excluding goodwill									0.0	0.0
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	64.5				182.9				64.5	182.9
Handsets and accessories [Member]
Segment Reporting [Abstract]
Product revenue									4.5	7.4	10.7
IT, telephony and other equipment [Member]
Segment Reporting [Abstract]
Product revenue									202.6	227.4	260.6
Entertainment and Communications [Member]
Segment Reporting [Abstract]
Revenue									768.8	743.7	740.7
Operating income (loss)									90.6	129.9	178.9
Payments to Acquire Property, Plant, and Equipment									272.5	269.5	163.7
Depreciation and amortization									168.6	129.2	115.7
Assets	1,093.5				982.5				1,093.5	982.5
Service revenue									763.0	735.0	728.8
Segment Reporting [Abstract]
Restructuring and severance related charges (reversals)									7.7	1.6	(0.5)
Impairment of assets, excluding goodwill											4.6
IT Services and Hardware [Member]
Segment Reporting [Abstract]
Revenue									430.7	435.4	433.0
Operating income (loss)									23.2	20.6	19.8
Payments to Acquire Property, Plant, and Equipment									13.7	14.0	11.9
Depreciation and amortization									13.5	12.3	11.7
Assets	60.0				58.0				60.0	58.0
Service revenue									215.7	198.0	161.4
Segment Reporting [Abstract]
Restructuring and severance related charges (reversals)									3.3	2.8	0.0
Increase (decrease) in Revenue									4.7	2.4
Corporate Segment [Member]
Segment Reporting [Abstract]
Operating income (loss)									(20.8)	(22.5)	(21.8)
Payments to Acquire Property, Plant, and Equipment									0.2	0.1	0.2
Depreciation and amortization									0.1	0.1	0.2
Segment Reporting [Abstract]
Restructuring and severance related charges (reversals)									0.9	1.6	0.1
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	64.5				182.3				64.5	182.3
Intersegment Eliminations [Member]
Segment Reporting [Abstract]
Revenue									(13.7)	(11.3)	(12.2)
Intersegment Eliminations [Member] \| Entertainment and Communications [Member]
Segment Reporting [Abstract]
Revenue									1.3	1.3	1.2
Intersegment Eliminations [Member] \| IT Services and Hardware [Member]
Segment Reporting [Abstract]
Revenue									12.4	10.0	11.0
Intersegment Eliminations [Member] \| Corporate Segment [Member]
Segment Reporting [Abstract]
Assets	$ 387.5				$ 405.9				387.5	405.9
Sales [Member] \| Intersegment Eliminations [Member]
Segment Reporting [Abstract]
Revenue									13.7	11.3	12.2
Telecom and IT equipment [Member] \| IT Services and Hardware [Member]
Segment Reporting [Abstract]
Increase (decrease) in Revenue									24.5	35.1
Managed and Professional Services [Member] \| IT Services and Hardware [Member]
Segment Reporting [Abstract]
Increase (decrease) in Revenue									17.7	40.7
Continuing Operations [Member]
Segment Reporting [Abstract]
Payments to Acquire Property, Plant, and Equipment									286.4	283.6	175.8
Depreciation and amortization									$ 182.2	$ 141.6	$ 127.6