Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Schedule of cash dividends declared per common share

Cash dividends declared and paid per common share for the three and six months ended June 30, 2018 and 2017, were as follows:

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
Cash dividends declared and paid per common share	$	0.60	$	0.58	$	1.20	$	1.16

Schedule of reconciliation of weighted average number of shares

A reconciliation of these amounts is as follows (in thousands):

	Three months ended June 30,		Six months ended June 30,
	2018	2017	2018	2017
Weighted average number of common shares outstanding	62,913	62,638	62,982	62,756
Director Plan and deferred stock units	177	157	171	151
ESOP	82	100	85	105
Common shares outstanding—basic	63,172	62,895	63,238	63,012
Dilutive effect of Omnibus Plan	1,714	912	1,814	958
Common and potential common shares outstanding—diluted	64,886	63,807	65,052	63,970

Schedule of changes in accumulated other comprehensive income (loss) balances

Changes in the accumulated other comprehensive loss balance are as follows (in thousands):

	Foreign Currency Items			Cash Flow Hedging Derivatives			Retirement Benefit Plan Activity			Accumulated Other Comprehensive Loss
Balance as of December 31, 2017	$	(42,442	)	$	(34	)	$	(3,153	)	$	(45,629	)
Reclassification to the statement of income	—			(2,616		)	130			(2,486		)
Change in fair value	(13,903		)	7,725			—			(6,178		)
Balance as of June 30, 2018	$	(56,345	)	$	5,075		$	(3,023	)	$	(54,293	)

Schedule of gains and losses, net of tax, reclassified from accumulated other comprehensive income into the income statement for cash flow derivatives designated as hedging instruments

The table below provides data about the amount of gains and losses, net of tax, reclassified from accumulated other comprehensive loss into the statements of income for cash flow derivatives designated as hedging instruments for the three and six months ended June 30, 2018 and 2017 (in thousands):

Derivatives in Cash Flow Hedging Relationships	Location of (Gain) Loss Reclassified from Accumulated Other Comprehensive Loss into Income	Three months ended June 30,						Six months ended June 30,
		2018			2017			2018			2017
Foreign currency contracts	Other expense, net	$	1,937		$	1,380		$	2,094		$	2,607
Foreign currency contracts	Cost of sales	554			(32		)	522			(436		)
Retirement benefit plan activity	Operating expenses	(45		)	—			(130		)	—
Total		$	2,446		$	1,348		$	2,486		$	2,171