Stock-Based Compensation (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 27, 2014	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 6,300,000	$ 5,700,000	$ 4,000,000
Severance	4,200,000	7,296,000	0	3,369,000
Related tax benefit to stock based compensation		800,000	700,000	2,600,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options vesting period		5 years
Number of years vesting starts after the grant date		1 year
Stock options expirations		10 years
Weighted average grant-date fair value of options granted (in dollars per share)		$ 9.00	$ 8.77	$ 7.45
Estimated forfeiture rate (in hundredths)		16.40%		16.50%
Weighted average key assumptions [Abstract]
Expected term (in years)		5 years 7 months 6 days	5 years 10 months 24 days	6 years 6 months
Expected price volatility (in hundredths)		34.30%	39.70%	37.50%
Risk-free interest rate (in hundredths)		1.70%	0.70%	0.70%
Dividend yield (in hundredths)		1.00%	0.90%	0.90%
Options outstanding [Roll Forward]
Beginning balance (in shares)		1,177,000
Granted (in shares)		202,000
Exercised (in shares)		(231,000)
Forfeited (in shares)		(21,000)
Ending balance (in shares)	1,127,000	1,127,000	1,177,000
Weighted average exercise price [Roll Forward]
Beginning balance (in dollars per share)		$ 14.67
Granted (in dollars per share)		$ 28.79
Exercised (in dollars per share)		$ 13.20
Forfeited (in dollars per share)		$ 21.22
Ending balance (in dollars per share)	$ 17.38	$ 17.38	$ 14.67
Weighted Average Grant Date Fair Value [Abstract]
Granted (in dollars per share)		$ 9.00	$ 8.77	$ 7.45
Aggregate intrinsic value of all outstanding options	18,200,000	18,200,000
Weighted average remaining contractual term of all outstanding options (in years)		5 years 1 month 6 days
Outstanding options, exercisable (in shares)	795,000	795,000
Aggregate intrinsic value of current exercisable shares	15,100,000	15,100,000
Weighted average exercise price (in dollars per share)	$ 15.07	$ 15.07
Weighted average remaining contractual term		4 years
Total intrinsic value of options exercised		3,500,000	2,900,000	12,100,000
Fair value of options vested		1,000,000	1,100,000	1,700,000
Stock option compensation not yet recognized	1,400,000	1,400,000
Average stock option expense recognition period		3 years
Shares available for future issuance (in shares)	1,600,000	1,600,000
Stock Options [Member] | Former Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Severance				2,100,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value		24,700,000
Compensation for stock awards not yet recognized	13,300,000	13,300,000
Compensation recognition period		3 years 7 months 6 days
Weighted average grant-date fair value of options granted (in dollars per share)		$ 28.80	$ 28.32	$ 21.42
Restricted Stock [Roll Forward]
Beginning Balance (in shares)		732,000
Granted (in shares)		197,000
Exercised (in shares)		(200,000)
Forfeited (in shares)		(2,000)
Ending Balance (in shares)	727,000	727,000	732,000
Weighted Average Grant Date Fair Value [Abstract]
Beginning Balance (in dollars per share)		$ 21.75
Granted (in dollars per share)		$ 28.80	$ 28.32	$ 21.42
Exercised (in dollars per share)		$ 21.00
Forfeited (in dollars per share)		$ 28.28
Ending Balance (in dollars per share)	$ 25.21	$ 25.21	$ 21.75
Fair value of options vested		$ 4,200,000	$ 1,800,000	$ 1,700,000
2014 Incentive Plan [Member] | Common Stock [Member]
Weighted Average Grant Date Fair Value [Abstract]
Shares available for future issuance (in shares)	1,500,000	1,500,000