Fair value measurement (Tables)

9 Months Ended

Sep. 27, 2015

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

The following tables provide information regarding the financial assets and liabilities measured at fair value on a recurring basis as of September 27, 2015 and December 31, 2014:



	Total carrying value at September 27, 2015		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	$	6,560	$	6,560	$	—	$	—
Derivative assets	914		—		914		—
Derivative liabilities	3,510		—		3,510		—
Contingent consideration liabilities	22,199		—		—		22,199



	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

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

The following table provides information regarding changes, during the nine months ended September 27, 2015, in Level 3 financial liabilities related to contingent consideration in connection with various Company acquisitions:



	Contingent consideration
	2015
	(Dollars in thousands)
Balance - December 31, 2014	$	33,433
Payment	(8,000		)
Revaluations	(3,234		)
Balance - September 27, 2015	$	22,199

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 assets or liabilities categorized as Level 3 measurements as of September 27, 2015:



	Valuation Technique	Unobservable Input	Range (Weighted Average)
Contingent consideration	Discounted cash flow	Discount rate	3.1% - 10% (8.5%)
		Probability of payment	0% - 100% (52.1%)