Changes in shareholders' equity (Tables)

3 Months Ended

Mar. 29, 2015

Equity [Abstract]

Reconciliation of Basic to Diluted Weighted Average Common Shares Outstanding

The following table provides a reconciliation of basic to diluted weighted average shares outstanding:

	Three Months Ended
	March 29, 2015	March 30, 2014
	(Shares in thousands)
Basic	41,469	41,262
Dilutive effect of share-based awards	467	471
Dilutive effect of 3.875% Convertible Notes and warrants	5,359	4,016
Diluted	47,295	45,749

Change in Accumulated Other Comprehensive Income (Loss)

The following tables provide information relating to the changes in accumulated other comprehensive (loss) income, net of tax, for the three months ended March 29, 2015 and March 30, 2014:

	Cash Flow Hedges			Pension and Other Postretirement Benefit Plans			Foreign Currency Translation Adjustment			Accumulated Other Comprehensive (Loss) Income
	(Dollars in thousands)
Balance as of December 31, 2014	$	—		$	(141,744	)	$	(119,151	)	$	(260,895	)
Other comprehensive income (loss) before reclassifications	243			810			(83,151		)	(82,098		)
Amounts reclassified from accumulated other comprehensive (loss) income	(199		)	1,096			—			897
Net current-period other comprehensive income (loss)	44			1,906			(83,151		)	(81,201		)
Balance at March 29, 2015	$	44		$	(139,838	)	$	(202,302	)	$	(342,096	)

	Cash Flow Hedges			Pension and Other Postretirement Benefit Plans			Foreign Currency Translation Adjustment			Accumulated Other Comprehensive (Loss) Income
	(Dollars in thousands)
Balance at December 31, 2013	$	—		$	(97,037	)	$	(13,818	)	$	(110,855	)
Other comprehensive income (loss) before reclassifications	113			(159		)	4,051			4,005
Amounts reclassified from accumulated other comprehensive (loss) income	(43		)	783			—			740
Net current-period other comprehensive income	70			624			4,051			4,745
Balance at March 30, 2014	$	70		$	(96,413	)	$	(9,767	)	$	(106,110	)

Reclassification of Gain/Losses into Income/Expense, Net of Tax

The following table provides information relating to the reclassifications of losses/(gain) in accumulated other comprehensive (loss) income into expense/(income), net of tax, for the three months ended March 29, 2015 and March 30, 2014:

	Three Months Ended
	March 29, 2015			March 30, 2014
	(Dollars in thousands)
(Gains) losses on foreign exchange contracts:
Cost of goods sold	$	(209	)	$	(77	)
Total before tax	(209		)	(77		)
Tax benefit	10			34
Net of tax	$	(199	)	$	(43	)
Amortization of pension and other postretirement benefit items:
Actuarial losses (1)	$	1,606		$	1,102
Prior-service costs(1)	—			(5		)
Total before tax	1,606			1,097
Tax expense	(510		)	(314		)
Net of tax	$	1,096		$	783
Total reclassifications, net of tax	$	897		$	740

(1) These accumulated other comprehensive (loss) income components are included in the computation of net benefit cost of pension and other postretirement benefit plans (see Note 12 for additional information).