(Options in thousands)	2016				2015				2014
			Weighted				Weighted				Weighted
			Average				Average				Average
	Options		Exercise Price		Options		Exercise Price		Options		Exercise Price
Outstanding - January 1		6,433	$	68.86		7,331	$	51.84		7,350	$	42.24
Granted		1,336	$	139.20		1,410	$	120.94		2,012	$	78.11
Exercised		(577)	$	62.09		(2,146)	$	43.63		(1,869)	$	41.29
Expired or canceled		(95)	$	117.18		(162)	$	86.04		(162)	$	64.27
Outstanding - December 31		7,097	$	82.01		6,433	$	68.86		7,331	$	51.84
Options exercisable at year-end		4,409	$	58.36		3,414	$	46.55		3,919	$	38.11

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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Tabular disclosure of the amount of cash proceeds received from the exercise of stock options and similar instruments granted under share-based payment arrangements and the tax benefit realized from stock options exercised during the period. Disclosure may also include the intrinsic value of stock options exercised during the period.

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the change in stock options.

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Tabular disclosure of the number and weighted-average grant date fair value for unvested performance shares.

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