Shareholders' Equity (Tables)

12 Months Ended

Dec. 29, 2018

Stockholders' Equity Note [Abstract]

Schedule of share-based compensation activity

The table below presents share-based compensation activity for the fiscal years ended 2018, 2017 and 2016 (in millions):

	2018	2017	2016
Total Intrinsic Value of Share-Based Incentive Awards Exercised	$5.2	$4.3	$2.5
Cash Received from Stock Option Exercises	—	0.4	0.5
Total Fair Value of Share-Based Incentive Awards Vested	3.9	4.3	4.9

Assumptions used in Valuation for Options, SAR's, and Performance Share Units

The weighted average assumptions used in the Company's Black-Scholes valuation related to grants for SARs were as follows:

	2018	2017	2016
Per Share Weighted Average Fair Value of Grants	$22.73	$23.31	$15.22
Risk-Free Interest Rate	2.9%	2.1%	1.4%
Expected Life (Years)	7.0	7.0	7.0
Expected Volatility	27.8%	28.6%	29.6%
Expected Dividend Yield	1.4%	1.3%	1.7%

The assumptions used in the Company's Monte Carlo simulation related to grants for performance share units were as follows:

	December 29, 2018	December 30, 2017
Risk-free interest rate	2.7%	1.6%
Expected life (years)	3.0	3.0
Expected volatility	25.0%	24.0%
Expected dividend yield	1.4%	1.3%

Share-based Incentive Plan Grant Activity (Options and SAR's)

Following is a summary of share-based incentive plan activity (options and SARs) for fiscal 2018:

Number of Shares Under Options and SARs	Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in millions)
Outstanding as of December 30, 2017	1,601,791	$	66.46
Granted	193,357	77.60
Exercised	(249,324)	57.54
Forfeited	(5,206)	70.30
Expired	(1,250)	54.28
Outstanding as of December 29, 2018	1,539,368	$	69.31	5.6	$	16.0
Exercisable as of December 29, 2018	928,987	$	66.61	3.9	$	12.0

RSA Award Activity

Following is the summary of RSAs activity for fiscal 2018:

	Shares	Weighted Average Fair Value at Grant Date		Weighted Average Remaining Contractual Term (years)
Unvested RSAs as of December 30, 2017	13,941	$	80.70	0.4
Granted	16,490	74.68
Vested	(13,941)	80.70
Forfeited	(830)	80.25
Unvested RSAs as of December 29, 2018	15,660	$	74.38	0.4

RSU Award Activity

Following is the summary of RSUs activity for fiscal 2018:

	Shares	Weighted Average Fair Value at Grant Date		Weighted Average Remaining Contractual Term (years)
Unvested RSUs as of December 30, 2017	260,533	$	70.81	1.7
Granted	78,140	74.51
Vested	(98,636)	76.25
Forfeited	(5,213)	69.71
Unvested RSUs as of December 29, 2018	234,824	$	69.78	1.6

PSU Award Activity

Following is the summary of PSUs activity for fiscal 2018:

	Shares	Weighted Average Fair Value at Grant Date		Weighted Average Remaining Contractual Term (years)
Unvested PSUs as of December 30, 2017	155,116	$	70.43	2.0
Granted	50,659	83.80
Vested	(1,359)	57.43
Forfeited	(36,576)	83.55
Unvested PSUs as of December 29, 2018	167,840	$	71.71	1.8