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Fair value measurement (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Carried at Fair Value Measured on Recurring Basis

The following tables provide information regarding the financial assets and liabilities reported at fair value and measured on a recurring basis as of December 31, 2014 and 2013:

	Total carrying value at December 31, 2014				Quoted prices in active markets (Level 1)				Significant other observable inputs (Level 2)				Significant unobservable inputs (Level 3)
	(Dollars in thousands)
Investments in marketable securities	$	6,863			$	6,863			$	—			$	—
Contingent consideration liabilities	33,433				—				—				33,433

	Total carrying value at December 31, 2013				Quoted prices in active markets (Level 1)				Significant other observable inputs (Level 2)				Significant unobservable inputs (Level 3)
	(Dollars in thousands)
Investments in marketable securities	$	6,150			$	6,150			$	—			$	—
Contingent consideration liabilities	20,313				—				—				20,313

Reconciliation of Changes in Level 3 Financial Liabilities Measured at Fair Value on Recurring Basis

The following table provides information regarding changes in financial liabilities, the fair value of which is based on Level 3 inputs, related to contingent consideration in connection with various Company acquisitions, including those described in Note 3 to the consolidated financial statements, during the twelve months ended December 31, 2014 and 2013:

	Contingent consideration
	2014				2013
	(Dollars in thousands)
Beginning balance – January 1	$	20,313			$	51,196
Initial estimate upon acquisition	20,538				—
Payment	—				(18,880		)
Revaluations	(7,418		)		(11,982		)
Translation adjustment	—				(21		)
Ending balance – December 31	$	33,433			$	20,313

Valuation Technique and Inputs Used to Determine Fair Value of Assets or Liabilities

The following table provides information regarding the valuation techniques and inputs used in determining the fair value of the contingent consideration liabilities measured by Level 3 inputs:

	Valuation Technique		Unobservable Input		Range (Weighted Average)
Contingent consideration	Discounted cash flow		Discount rate		2.3% - 10% (7.0%)
			Probability of payment		0% - 100% (52.6%)

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- Definition

Tabular disclosure of quantitative information about the inputs used in the fair value measurement of liabilities. This disclosure may include, but is not limited to, the fair value of the liability, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19279-110258



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258

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