Acquisitions - Tonka Water (Details) - USD ($) $ in Millions		Sep. 01, 2017	Sep. 30, 2017	Dec. 31, 2016
Assets Acquired [Abstract]
Goodwill			$ 149.9	$ 131.2
Tonka Water [Member]
Business Acquisition [Line Items]
Percentage of Voting Interests Acquired		100.00%
Name of Acquired Entity		Tonka Water
Total Consideration		$ 19.4
Cash Payment to Acquire Business		19.0
Payments Due in Fourth Quarter 2017		0.4
Assets Acquired [Abstract]
Cash and Cash Equivalents		1.6
Accounts Receivable		5.1
Other Current Assets		4.4
Trade Names	[1]	0.9
Goodwill	[1],[2]	18.5
Other Non-Current Assets		0.2
Total Assets Acquired		30.7
Liabilities Assumed [Abstract]
Current Liabilities		10.6
Non-Current Liabilities		0.7
Total Liabilities Assumed		11.3
Net Identifiable Assets Acquired		19.4
Tax Deductible Goodwill		$ 4.1

[1] Presented within Goodwill and Intangible Assets – Net on the Consolidated Balance Sheet. (See Note 4. Goodwill and Intangible Assets.)

[2] Recognized goodwill is attributable to the assembled workforce and anticipated synergies. For tax purposes, the purchase price allocation resulted in $4.1 million of deductible goodwill.