Fair Value Measurements And Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule Of Fair Value Of Derivatives Designated As Fair Value Hedges

	Asset Derivatives			Liability Derivatives
	Location	Fair  Value		Location	Fair  Value
As of December 31, 2015	(Dollars in Thousands)
Derivatives not designated as hedges:
Foreign currency derivatives	Prepaid and other current assets	$	76	Other current liabilities	$	11
Total fair value		$	76		$	11
As of December 31, 2016
Derivatives not designated as hedges:
Foreign currency derivatives	Prepaid and other current assets	$	10	Other current liabilities	$	188
Total fair value		$	10		$	188

Schedule Of Realized (Gains) Losses On Derivatives Recognized In Statement Of Operations

		Amount of (Gain)/Loss Recognized (EffectivePortion)
	Location of (Gain)/Loss Reclassified from Other Comprehensive Income (Effective Portion)	2014			For the Period January 1 Through August 14, 2015			For the Period August 15 Through December 31, 2015			2016
Derivatives designated as cash flow hedges:		(Dollars in Thousands)
Foreign currency   derivatives, excluding tax    of $85, $106, $17 and $32,      respectively	Revenue/Cost of   goods sold     Other expense /      (income)	$	(849	)	$	(1,062	)	$	(172	)	$	(322	)
Commodity forward   derivatives, excluding     tax of $(120), $(424) and      $0 respectively	Cost of goods sold	$	328		$	1,161		$	—		$	—

		Amount of (Gain)/Loss Recognized
	Location of (Gain)/Loss Recognized in the Consolidated Statement of Income	2014		For the Period January 1 Through August 14, 2015		For the Period August 15 Through December 31, 2015			2016
Derivatives not designated as hedges:		(Dollars in thousands)
Foreign currency derivatives	Cost of goods sold /    Other expense /     (income)	$	1,020	$	1,060	$	(560	)	$	549