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Intangible Assets, net (Tables)

12 Months Ended

Dec. 31, 2017

Intangible Assets, net

Summary of intangible assets, net

			December 31, 2017						December 31, 2016
	Weighted Average		Gross						Gross
	Amortizable		Carrying			Accumulated			Carrying			Accumulated
	Life in Years		Amount			Amortization			Amount			Amortization
			(in millions)
Intangible assets subject to amortization:
Covenants not to compete	4.7		$	0.8		$	(0.4)		$	1.1		$	(0.6)
Customer lists/relationships	14.6			745.0			(391.3)			736.7			(338.9)
Software	10.0			8.1			(8.1)			8.1			(8.1)
Other	5.4			6.3			(5.9)			6.3			(5.5)
				760.2			(405.7)			752.2			(353.1)
Intangible assets not subject to amortization:
Trade names				757.6			—			752.2			—
			$	1,517.8		$	(405.7)		$	1,504.4		$	(353.1)

Summary of estimated aggregate amortization expense

	(in millions)
2018	$	46.7
2019		46.6
2020		46.6
2021		42.6
2022		34.3

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- References

No definition available.

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- Definition

Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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