XML 92 R77.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Commitments and Contingencies (Purchase Obligations) (Details) $ in Millions | Sep. 30, 2017 USD ($)
--- | ---
Commitments and Contingencies Disclosure [Abstract] |
Purchase obligations | $ 34.4

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant