Equity (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2013

Dec. 31, 2012

Equity [Abstract]

Aggregate Shares Purchased

	Year Ended December 31,
		2012		2011		2010
Shares purchased under 2011 and 2007 authorization		576,064		435,000		385,100
Aggregate amount (in thousands)	$	22,509	$	19,576	$	13,583
Average price paid per share	$	39.07	$	45.00	$	35.27

Activities Of Non-Qualified Savings Plan During Each Of Three Years

		Year Ended December 31,
		2012			2011		2010
	Purchases:
	Number of shares		108			93		1,552
	Aggregate amount	$	4		$	5	$	58
	Sales:
	Number of shares		1,211	(a)		9		1,727
	Aggregate amount	$	25		$	-	$	36
	Distributions and transfers to 401(k) savings plan:
	Number of shares		0			0		4
	Aggregate amount	$	-		$	-	$	0
(a)	Represents shares purchased by the Company from the rabbi trust that held the shares for the Nonqualified Savings Plan.

Components Of Accumulated Other Comprehensive Income (Loss)

	Three Months Ended September 30, 2013						NIne Months Ended September 30, 2013
	Foreign currency translation gain (loss), net of tax		Marketable securities, net of tax		Total		Foreign currency translation gain (loss), net of tax		Marketable securities, net of tax		Total
Balance at the beginning of period	$	(362)	$	-	$	(362)	$	2,874	$	254	$	3,128
Other comprehensive income before reclassifications		2,976		-		2,976		(260)		373		113
Amounts reclassified from AOCI(a)		-		-		-		-		(627)		(627)
Net change in AOCI		2,976		-		2,976		(260)		(254)		(514)
Balance at the end of period	$	2,614	$	-	$	2,614	$	2,614	$	-	$	2,614

The gain on marketable securities reclassified out of AOCI for the nine months ended September 30, 2013 is composed of a $964 gain and income tax expense of $337. The gain and income tax expense are included in “Other revenue” and “Provision for income taxes,” respectively, in the consolidated statements of income.

	As of December 31,
	2012		2011		2010
Unrealized derivatives loss, net of tax	$	(1)	$	(13)	$	(111)
Foreign currency translation gain (loss), net of tax		2,875		(6,077)		6,210
Marketable securities unrealized (gain) loss, net of tax		254		(806)		(1,302)
Accumulated other comprehensive income (loss)	$	3,128	$	(6,896)	$	4,797