Revenue (Contract Balances) (Details) $ in Millions |
Mar. 31, 2018
USD ($)
|
|---|---|
| Revenue from Contract with Customer [Abstract] | |
| Receivables | $ 201.0 |
| Deferred revenue | $ 19.0 |
| X | ||||||||||
- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|