Stock Options, Other Stock Awards and Warrants (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 25, 2016 USD ($) $ / shares shares	Dec. 27, 2015 USD ($) $ / shares shares	Dec. 28, 2014 shares	Dec. 29, 2013 shares
Stock Options, Other Stock Awards and Warrants [Abstract]
Number of shares of common stock reserved for issuance under stock incentive plans for employees and non-employee directors (in shares)	10,127
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense (income) | $	$ 56,032	$ 61,624	$ 53,880
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock incentive plans, vesting period	3 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock incentive plans, vesting period	5 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense (income) | $	$ 20,573	$ 19,908	$ 19,052
Number of shares [Abstract]
Outstanding at beginning of year (in shares)	795	955	937
Granted (in shares)	203	245	254
Forfeited (in shares)	(41)	(41)	(52)
Vested (in shares)	(321)	(364)	(184)
Outstanding at end of year (in shares)	636	795	955	937
Weighted average grant-date fair value [Abstract]
Granted (in dollars per share) | $ / shares	$ 98.88	$ 75.23	$ 62.95
Forfeited (in dollars per share) | $ / shares	68.01	59.37	51.57
Vested (in dollars per share) | $ / shares	57.58	43.89	39.87
Outstanding at end of year (in dollars per share) | $ / shares	75.13	$ 61.65	$ 51.22
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches				2
Number of shares [Abstract]
Granted (in shares)				119	468
Total Shares Prescribed by Employment Agreement (in shares)					587
Weighted average grant-date fair value [Abstract]
Outstanding at end of year (in dollars per share) | $ / shares	35.56
Weighted average assumptions used in determining the fair value of option grants [Abstract]
Share Price (in dollars per share) | $ / shares	$ 47.28
Stock price volatility	26.12%
Risk-free interest rate	0.65%
Expected dividend yield	3.38%
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle One [Member]
Weighted average assumptions used in determining the fair value of option grants [Abstract]
Stock price hurdle (in dollars per share) | $ / shares	$ 45
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle Two [Member]
Weighted average assumptions used in determining the fair value of option grants [Abstract]
Stock price hurdle (in dollars per share) | $ / shares	52
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle Three [Member]
Weighted average assumptions used in determining the fair value of option grants [Abstract]
Stock price hurdle (in dollars per share) | $ / shares	56
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle Four [Member]
Weighted average assumptions used in determining the fair value of option grants [Abstract]
Stock price hurdle (in dollars per share) | $ / shares	$ 60
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense (income) | $	$ 20,573	$ 19,908	$ 19,052
Total unrecognized compensation cost | $	$ 21,526
Weighted average period for recognition of total unrecognized compensation expense	22 months
Stock Performance Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares granted (in shares)	227	276	90
Compensation expense (income) | $	$ 27,522	$ 34,248	$ 27,960
Total unrecognized compensation cost | $	$ 23,068
Weighted average period for recognition of total unrecognized compensation expense	19 months
Percentage of Target Number of Shares, Range Lower Limit	0.00%
Percentage of Target Number of Shares, Range Upper Limit	200.00%
Number of shares [Abstract]
Outstanding at beginning of year (in shares)	1,074	992	655
Granted (in shares)	428	529	362
Forfeited (in shares)	(28)	(23)	(25)
Cancelled (in shares)	0	0	0
Vested (in shares)	(574)	(424)	0
Outstanding at end of year (in shares)	900	1,074	992	655
Weighted average grant-date fair value [Abstract]
Granted (in dollars per share) | $ / shares	$ 99.58	$ 74.69	$ 61.85
Forfeited (in dollars per share) | $ / shares	74.86	61.86	53.45
Cancelled (in dollars per share) | $ / shares	0	0	0
Vested (in dollars per share) | $ / shares	52.21	47.21	0
Outstanding at end of year (in dollars per share) | $ / shares	$ 77.27	$ 62.19	$ 53.17
Cash-settled Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense (income) | $	$ 0	$ 0	$ 0
Stock Awards Non Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense (income) | $	$ 1,595	$ 1,630	$ 1,449
Number of deferred shares (in shares)	10	16	16
Number of shares [Abstract]
Granted (in shares)	16	23	20
Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense (income) | $	$ 6,342	$ 5,838	$ 5,419
Total unrecognized compensation cost | $	$ 8,228
Weighted average period for recognition of total unrecognized compensation expense	22 months
Stock options [Roll Forward]
Outstanding at beginning of year (in shares)	2,768	3,445	4,186
Granted (in shares)	458	492	549
Exercised (in shares)	597	1,143	1,280
Expired or forfeited (in shares)	50	26	10
Outstanding at end of year (in shares)	2,579	2,768	3,445	4,186
Exercisable at end of year (in shares)	1,661	1,708	2,208
Weighted average exercise price [Abstract]
Granted (in dollars per share) | $ / shares	$ 98.8	$ 74.42	$ 61.77
Exercised (in dollars per share) | $ / shares	49.31	41.75	37.54
Expired or forfeited (in dollars per share) | $ / shares	57.33	56.43	46.38
Outstanding at end of year (in dollars per share) | $ / shares	62.12	53.21	46.41
Exercisable at end of year (in dollars per share) | $ / shares	$ 50.02	45.5	41.36
Outstanding at end of year, weighted average remaining contractual life	3 years 8 months 7 days
Exercisable at end of year, weighted average exercise price remaining contractual life	2 years 8 months 14 days
Outstanding at end of year, aggregate intrinsic value | $	$ 77,657
Exercisable at end of year, aggregate intrinsic value | $	$ 67,818
Weighted average fair value of awards granted (in dollars per share) | $ / shares	$ 18.25	$ 13.01	$ 9.29
Weighted average assumptions used in determining the fair value of option grants [Abstract]
Risk-free interest rate	1.85%	1.16%	1.34%
Expected dividend yield	2.31%	2.74%	2.98%
Expected volatility	24.00%	26.00%	23.00%
Expected option life	5 years	5 years	5 years
Intrinsic values of options exercised | $	$ 31,406	$ 47,992	$ 41,906