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Deferred Revenue and Advances From Customers (Tables)

6 Months Ended

Jun. 30, 2013

Deferred Revenue and Credits, Current [Abstract]

Schedule of Deferred Revenue and Advances from Customers

	June 30, 2013				December 31, 2012
	(millions)
Deferred revenue	$	143.3			$	123.1
Advances from customers	21.7				2.4
	$	165.0			$	125.5
Deferred costs associated with deferred revenue	$	118.7			$	116.8

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- Definition

Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

-URI http://asc.fasb.org/extlink&oid=6600647&loc=d3e214044-122780



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 8

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6935-107765



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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