SHAREHOLDERS' EQUITY (TABLES)

6 Months Ended

Jun. 30, 2014

Stockholders' Equity Note [Abstract]

COMMON SHARES ISSUED AND OUTSTANDING [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
Shares issued, balance at beginning of period	175,195		173,595		174,134		171,867
Shares issued	120		311		1,181		2,039
Total shares issued at end of period	175,315		173,906		175,315		173,906
Treasury shares, balance at beginning of period	(68,450	)	(57,289	)	(64,649	)	(53,947	)
Shares repurchased	(3,058	)	(5,122	)	(7,094	)	(8,491	)
Shares reissued from treasury	99		93		334		120
Total treasury shares at end of period	(71,409	)	(62,318	)	(71,409	)	(62,318	)
Total shares outstanding	103,906		111,588		103,906		111,588

SHARE REPURCHASES [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
In the open market:
Total shares	2,970		5,048		6,680		5,048
Total cost	$	135,395	$	225,000	$	300,000	$	225,000
Average price per share(1)	$	45.59	$	44.57	$	44.91	$	44.57
From employees:
Total shares	88		74		414		443
Total cost	$	3,985	$	3,256	$	18,082	$	17,925
Average price per share(1)	$	45.57	$	44.10	$	43.66	$	40.47
From founding shareholder:(2)
Total shares	—		—		—		3,000
Total cost	$	—	$	—	$	—	$	116,100
Average price per share(1)	$	—	$	—	$	—	$	38.70
Total shares repurchased:
Total shares	3,058		5,122		7,094		8,491
Total cost	$	139,380	$	228,256	$	318,082	$	359,025
Average price per share(1)	$	45.59	$	44.57	$	44.84	$	42.28

(1) Calculated using whole figures.

(2) During the first quarter of 2013, we privately negotiated the repurchase of 3,000,000 common shares held by Trident II, L.P. and affiliated entities.