Financial instruments (Tables)

9 Months Ended

Sep. 27, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Values of Derivative Instruments Designated as Hedging Instruments

The following table presents the location and fair value of derivative instruments designated as hedging instruments in the condensed consolidated balance sheet as of September 27, 2015 and December 31, 2014:



	September 27, 2015		December 31, 2014
	Fair Value		Fair Value
	(Dollars in thousands)
Asset derivatives:
Foreign currency forward contracts:
Prepaid expenses and other current assets	$	834	$	—
Total asset derivatives	$	834	$	—
Liability derivatives:
Foreign currency forward contracts:
Other current liabilities	$	3,247	$	—
Total liability derivatives	$	3,247	$	—

After Tax Gain/(Loss) Recognized in OCI

The following table provides information as to the gains and losses attributable to derivatives in cash flow hedging relationships that were reported in other comprehensive loss (“OCL”) for the three and nine months ended September 27, 2015 and September 28, 2014:



	After Tax Gain (Loss) Recognized in OCL
	Three Months Ended					Nine Months Ended
	September 27, 2015			September 28, 2014		September 27, 2015			September 28, 2014
	(Dollars in thousands)
Foreign currency forward contracts	$	(730	)	$	60	$	(1,489	)	$	203
Total	$	(730	)	$	60	$	(1,489	)	$	203

Aggregate Accounts Receivable, Net of Allowance for Doubtful Accounts

The aggregate net current and long-term accounts receivable for customers in Greece, Italy, Spain and Portugal and the percentage of the Company’s total net current and long-term accounts receivable represented by the net current and long-term accounts receivable for customers in those countries at September 27, 2015 and December 31, 2014 are as follows:



	September 27, 2015			December 31, 2014
	(Dollars in thousands)
Current and long-term accounts receivable (net of allowances of $7.9 million and $8.1 million at September 27, 2015 and December 31, 2014, respectively) in Greece, Italy, Spain and Portugal (1)	$	72,128		$	76,190
Percentage of total net current and long-term accounts receivable - Greece, Italy, Spain and Portugal	26.1		%	27.3		%

(1) The long-term portion of accounts receivable, net from customers in Greece, Italy, Spain and Portugal at September 27, 2015 and December 31, 2014 was $16.2 million and $11.3 million, respectively, and is reported on the condensed consolidated balance sheet in other assets.