Business Combination, Contingent Consideration Arrangements, Consideration Which May Be Received, Maximum

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- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Work In Progress

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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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- 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.

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- Definition

Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Business Acquisitions and Divestitures (Details) - USD ($) $ in Thousands	1 Months Ended
	Dec. 31, 2011	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Oct. 31, 2014
Fair values of net assets acquired:
Goodwill		$ 13,823	$ 11,810	$ 13,036
Business Strategy, Inc. [Member]
Fair values of net assets acquired:
Equipment	$ 70
Intangible assets, primarily non-compete agreements	4,041
Working capital, including work in progress	1,967
Deferred tax liabilities	(1,736)
Goodwill	7,577
Fair value of net assets acquired	11,919
Fair value of purchase price	$ 11,919
Chicago, Illinois [Member] \| Adjacent Services [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Arrangements, Consideration Which May Be Received, Maximum					$ 800