Stock Based Compensation Stock Based Compensation (Tables)

12 Months Ended

Dec. 27, 2016

Share-based Compensation [Abstract]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Restricted Stock (in thousands)		Weighted Average Grant-Date Fair Value
Non-vested at December 29, 2015	348		$	166.15
Granted	90		214.32
Vested	(79	)	145.32
Forfeited	(43	)	180.42
Non-vested at December 27, 2016	316		$	183.25

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Contractual Term Remaining (Years)	Aggregate Intrinsic Value (1) (in thousands)
Outstanding at December 29, 2015	15		$	146.79
Granted	3		195.19
Exercised	(4	)	103.64			381
Cancelled	—		—
Outstanding at December 27, 2016	14		$	169.46	3.1	573
Exercisable at December 27, 2016	14		$	169.46	3.1	$	573

Schedule of Share-based Compensation, Stock Appreciation Rights Award Activity [Table Text Block]

	Shares (in thousands)		Weighted Average Conversion Price (1)		Weighted Average Contractual Term Remaining (Years)	Aggregate Intrinsic Value (2) (in thousands)
Outstanding at December 29, 2015	57		$	165.54	4.5	$	1,814
Granted	8		210.55
Converted	(4	)	125.38
Cancelled	(6	)	177.98
Outstanding at December 27, 2016	55		$	173.44	3.9	$	2,060
Convertible at December 27, 2016	11		$	160.60	2.4	$	541

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	For the fiscal year ended
	December 27, 2016			December 29, 2015			December 30, 2014
Fair value per option awards	$	53.04		$	47.56		$	46.01
Assumptions:
Expected term (years)	5			5			5
Expected volatility	26.4		%	27.6		%	28.8		%
Risk-free interest rate	1.3		%	1.6		%	1.6		%
Dividend yield	0.0		%	0.0		%	0.0		%