SHAREHOLDERS' EQUITY (Tables)

3 Months Ended

Mar. 31, 2017

Stockholders' Equity Note [Abstract]

COMMON SHARES ISSUED AND OUTSTANDING

The following table presents our common shares issued and outstanding:

	Three months ended March 31,
	2017		2016
Shares issued, balance at beginning of period	176,580		176,240
Shares issued	—		316
Total shares issued at end of period	176,580		176,556
Treasury shares, balance at beginning of period	(90,139	)	(80,174	)
Shares repurchased	(2,229	)	(3,910	)
Shares reissued from treasury	958		431
Total treasury shares at end of period	(91,410	)	(83,653	)
Total shares outstanding	85,170		92,903

SHARE REPURCHASES

The following table presents our share repurchases:

	Three months ended March 31,
	2017		2016
In the open market:
Total shares(1)	1,896		3,704
Total cost	$	127,982	$	185,000
Average price per share(2)	$	67.52	$	49.94
From employees:(3)
Total shares	333		206
Total cost	$	23,260	$	11,011
Average price per share(2)	$	69.80	$	53.45
Total shares repurchased:
Total shares	2,229		3,910
Total cost	$	151,242	$	196,011
Average price per share(2)	$	67.86	$	50.13

(1) The three months ended March 31, 2016 includes 1,358,380 common shares acquired under the accelerated share repurchase program (see below for more detail).

(2) Calculated using whole numbers.

(3) To satisfy withholding tax liabilities upon vesting of restricted stock and restricted stock units, share repurchases from employees are excluded from the authorized share repurchase plans noted below.