XML 37 R26.htm IDEA: XBRL DOCUMENT v3.10.0.1

Revenue Revenue (Narrative detail) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2018 USD ($)
Revenue Recognition and Deferred Revenue [Abstract]
Deferred Revenue, Revenue Recognized	$ 451.8

X

- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredRevenueRevenueRecognized1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueRecognitionAndDeferredRevenueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration