SHARE CAPITAL AND CAPITAL IN EXCESS OF PAR VALUE: (Tables)

12 Months Ended

Dec. 31, 2013

SHARE CAPITAL AND CAPITAL IN EXCESS OF PAR VALUE:

Schedule of changes in share capital and capital in excess of par value

	Class B															Capital in Excess
	Common Stock					Common Stock					Treasury Stock					of Par
	Shares		Amount			Shares		Amount			Shares		Amount			Value
	(000’s)					(000’s)					(000’s)
Balance at January 1, 2011	36,057		$	25,040		20,466		$	14,212		(69	)	$	(1,992	)	$	505,495
Issuance of 3% stock dividend	1,077		748			612		426			(2	)	—			45,880
Conversion of Class B common shares to common shares	53		37			(53	)	(37		)	—		—			—
Purchase and retirement of common shares	(708	)	(492		)	—		—			—		—			(17,698		)
Balance at December 31, 2011	36,479		25,333			21,025		14,601			(71	)	(1,992		)	533,677
Issuance of 3% stock dividend	1,085		753			631		437			(2	)	—			37,046
Conversion of Class B common shares to common shares	29		20			(29	)	(20		)	—		—			—
Purchase and retirement of common shares	(944	)	(656		)	—		—			—		—			(23,147		)
Balance at December 31, 2012	36,649		25,450			21,627		15,018			(73	)	(1,992		)	547,576
Issuance of 3% stock dividend	1,095		761			648		450			(3	)	—			47,714
Conversion of Class B common shares to common shares	19		13			(19	)	(13		)	—		—			—
Purchase and retirement of common shares	(752	)	(522		)	—		—			—		—			(22,621		)
Balance at December 31, 2013	37,011		$	25,702		22,256		$	15,455		(76	)	$	(1,992	)	$	572,669

Schedule of shares purchased and retired

Year	Total Number of Shares Purchased (000’s)	Average Price Paid Per Share
2013	752	$	30.73
2012	944	$	25.16
2011	708	$	25.64