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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 30, 2017

Compensation Related Costs [Abstract]

Summary of the stock option activity under the plans

		Years Ended
		December 30,					December 31,					December 26,
		2017					2016					2015
				Weighted					Weighted					Weighted
				Average					Average					Average
				Exercise					Exercise					Exercise
		Shares		Price			Shares		Price			Shares		Price
Outstanding at beginning of year		353		$	28.59		769		$	28.00		1,367		$	26.71
Granted		-			-		-			-		-			-
Exercised		(198)			27.76		(416)			27.49		(598)			25.04
Forfeited		-			-		-			-		-			-
Outstanding at end of year		155		$	29.65		353		$	28.59		769		$	28.00
Options exercisable at end of year		155		$	29.65		353		$	28.59		769		$	28.00

Intrinsic values

		As of
		December 30,			December 31,			December 26,
		2017			2016			2015
Stock options outstanding		$	6,256		$	16,681		$	38,882
Stock options exercisable			6,256			16,681			38,882

Status of non-vested restricted shares/units

		Time-Based Restricted Stock/Units
				Weighted Average
				Grant Date Fair				Intrinsic Value
		Shares/Units		Value Per Share				Per Share
Outstanding at beginning of period		1,339		$	60.54
Granted		297			85.29
Vested		(376)			47.19
Forfeited		(27)			74.47
Outstanding at end of period		1,233		$	70.28			$	69.88
		Performance-Based Restricted Stock/Units
				Weighted Average
				Grant Date Fair				Intrinsic Value
		Shares/Units		Value Per Share				Per Share
Outstanding at beginning of period		1,849		$	54.05
Granted		251			82.30
Vested		(852)			54.91
Forfeited		(22)			78.89
Outstanding at end of period		1,226		$	60.81			$	69.88

X

- Definition

Disclosure regarding the total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices pertaining to options under the plan as of the balance-sheet date.

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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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