Acquisition - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
Jul. 10, 2017	Mar. 31, 2018
Business Acquisition [Line Items]
Capital lease obligation term		15 years
Farner-Bocken Company
Business Acquisition [Line Items]
Total consideration	$ 174.0
Cash paid at closing	169.0
Indemnification holdback	$ 5.0
Indemnity holdback annual installment period	2 years
Capital lease obligations		$ 15.2

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Escrow Deposit Disbursements Related To Business Acquisition, Period

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- Definition

Lessee, Capital Lease, Term Of Contract

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

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.

+ References

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-Publisher FASB
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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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