Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure Shareholders Equity [Abstract]

Schedule of share repurchases

The Company has made the following share repurchases (in thousands):

	For the Years Ended December 31,
	2018		2017		2016
Total number of shares repurchased and retired	3,184		1,028		2,908
Total investment	$	348,663	$	90,461	$	245,816

Schedule of cash dividends declared per common share

Dividends. Quarterly and total year cash dividends declared per common share for the year ended December 31, 2018, 2017, and 2016 were as follows:

	For the Years Ended December 31,
	2018		2017		2016
Quarterly dividend declared and paid per common share	$	0.60	$	0.58	$	0.55
Total dividends declared and paid per common share	$	2.40	$	2.32	$	2.20

Schedule of reconciliation of weighted average number of shares

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

	For the Years Ended December 31,
	2018	2017	2016
Weighted average number of common shares outstanding	62,236	62,668	64,033
Director Plan and deferred stock units	177	157	162
ESOP	100	91	101
Common shares outstanding—basic	62,513	62,916	64,296
Dilutive effect of restricted stock awards	679	384	150
Dilutive effect of stock option awards	757	880	712
Common and potential common shares outstanding—diluted	63,949	64,180	65,158

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

Changes in the accumulated other comprehensive loss balance is 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 income statement	—			(9,906		)	261			(9,645		)
Change in fair value	(18,062		)	10,363			—			(7,699		)
Balance as of December 31, 2018	$	(60,504	)	$	423		$	(2,892	)	$	(62,973	)

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 income statement for cash flow derivatives designated as hedging instruments and for actuarial losses related to retirement benefit plans the years ended December 31, 2018 and 2017 (in thousands):

Derivatives in Cash Flow Hedging Relationships and Retirement Benefit Plan Activity	Location of Gain (Loss) Reclassified from Accumulated OCI into Income	For the Years Ended December 31,
		2018			2017
Foreign currency contracts	Other expense, net	$	9,378		$	1,410
Foreign currency contracts	Cost of sales	686			155
Interest rate contracts	Interest expense	(158		)	—
Retirement benefit plan activity	Operating expenses	(261		)	—
Total		$	9,645		$	1,565