Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Face (par) amount of debt instrument at time of issuance.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Subsequent Events (Details) - Subsequent Event - USD ($)		1 Months Ended
	Feb. 02, 2018	Feb. 15, 2018	Jan. 31, 2018
Notes 2028 Term \| Senior Notes
Subsequent Event [Line Items]
Face amount	$ 450,000,000
Term Loan Agreement \| Line of Credit
Subsequent Event [Line Items]
Line of credit, maximum borrowing capacity	500,000,000		$ 500,000,000
Aclara
Subsequent Event [Line Items]
Consideration transferred to acquire business	$ 1,100,000,000	$ 1,100,000,000