Adjustment to deferred acquisition consideration included in interest expense

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Aggregate Non-Vested, Shares, Restricted Stock Grant, Gross

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No definition available.

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Clients exceeding consolidated accounts receivable percentage

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Clients exceeding consolidated largest client revenue

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The percentage of accounts receivable that the largest client did not exceed during the period.

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No definition available.

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The percentage of revenue over the consolidated revenue that the largest client did not exceed during the period.

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Percentage of interest rate payable on senior notes.

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Option to purchase noncontrolling interest impairment charge

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No definition available.

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No definition available.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

+ References

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- Definition

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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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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Number of new stock issued during the period.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Significant Accounting Policies (Details Textual)					3 Months Ended
Significant Accounting Policies (Details Textual)	May. 01, 2024	Oct. 23, 2014 USD ($)	Mar. 20, 2013	Mar. 28, 2012	Mar. 31, 2016 USD ($) Clients shares	Mar. 31, 2015 USD ($) Clients	Mar. 23, 2016	Dec. 31, 2015 USD ($) Clients
Significant Accounting Policies [Line Items]
Debt Issuance Costs, Net					$ (20,389,000)	$ (14,511,000)		$ (12,625,000)
Clients exceeding consolidated accounts receivable percentage \| Clients					0			0
Interest Rate Percentage On Senior Notes					6.75%
Put option noncontrolling interest impairment charge					$ 0	$ 0
Cost Method Investments					$ 12,645,000			$ 11,763,000
Consolidated Accounts Receivable Percentage								10.00%
Clients exceeding consolidated largest client revenue \| Clients					0	0
Consolidated Largest Client Revenue					10.00%	10.00%
Business Combination, Acquisition Related Costs					$ 553,000	$ 874,000
Assets					1,571,555,000	1,625,613,000		$ 1,577,625,000
Liabilities					2,025,764,000			1,995,227,000
Adjustment to deferred acquisition consideration included in interest expense					$ 112	554
Common Class A
Significant Accounting Policies [Line Items]
Aggregate Non-Vested, Shares, Restricted Stock Issued, Gross \| shares					1,376,388
Doner [Member]
Significant Accounting Policies [Line Items]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage				30.00%
Assets					$ 113,235,000			122,558,000
Liabilities					$ 77,668,000			$ 86,047,000
Aggregate 2012 Acquisitions [Member] \| Doner [Member]
Significant Accounting Policies [Line Items]
Ownership Interest Percentage Increase On Exercise Of Option				70.00%
Minimum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life					3 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life					7 years
Equity Method Investment, Ownership Percentage					50.00%
Real Estate Joint Venture [Member]
Significant Accounting Policies [Line Items]
Equity Method Investment, Ownership Percentage					30.00%
Wells Fargo Capital Finance, LLC
Significant Accounting Policies [Line Items]
Debt Instrument, Maturity Date		Sep. 30, 2019
Line of Credit Facility, Maximum Borrowing Capacity		$ 325,000,000
Contingent payment [Domain]
Significant Accounting Policies [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability					$ 6,327,000	$ 2,248,000
Notes due 2020 [Member]
Significant Accounting Policies [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.75%
Six Point Seven Five Percentage Notes [Member]
Significant Accounting Policies [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			6.75%
Six Point Seven Five Percentage Notes [Member] \| Wells Fargo Capital Finance, LLC
Significant Accounting Policies [Line Items]
Debt Instrument, Maturity Date			Apr. 01, 2020
Notes due 2024 [Domain]
Significant Accounting Policies [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.50%
Six Point Five Zero Percentage Notes [Domain]
Significant Accounting Policies [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					6.50%		6.50%
Restricted Stock Units (RSUs) [Member] \| Common Class A
Significant Accounting Policies [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Gross \| shares					111,500
Restricted stock grant date fair value					$ 2,018,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross \| shares					527,348
Scenario, Forecast [Member] \| Six Point Five Zero Percentage Notes [Domain]
Significant Accounting Policies [Line Items]
Debt Instrument, Maturity Date	May 01, 2024
Scenario, Forecast [Member] \| Six Point Five Zero Percentage Notes [Domain] \| Wells Fargo Capital Finance, LLC
Significant Accounting Policies [Line Items]
Debt Instrument, Maturity Date	May 01, 2024