Expected forfeiture rate assumption used in valuing an instrument.

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Represents the aggregate grant date value of shares granted during the period.

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The weighted-average exercise price for unvested shares expected to vest under an equity-based payment plan, excluding stock (or unit) option plans, as of the balance sheet date.

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Represents the percentage of awards granted depending on the Company's Total Shareholder Return ("TSR") relative to the TSR of the S&P Mid-Cap 400 Index.

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Represents the percentage of target shares, that a group of key executives can earn, under the plan.

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Represents the percentage of shares vesting on the fifth anniversary from the date of grant.

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Represents the percentage of shares vesting on the second anniversary from the date of grant.

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Represents the percentage of shares vesting on the third anniversary from the date of grant.

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Represents the percentage of shares transferable on the first anniversary from the date of grant.

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Represents the percentage of shares transferable on the third anniversary from the date of grant.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (i)
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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

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-Publisher FASB
-Name Accounting Standards Codification
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Risk-free interest rate assumption used in valuing an instrument.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Name Accounting Standards Codification
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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Name Accounting Standards Codification
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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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SHARE-BASED COMPENSATION - Awards Other than Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013	Jan. 02, 2016	Jan. 03, 2015
Valuation Assumptions:
Weighted-average fair value (in dollars per share)	$ 50.24	$ 50.24		$ 43.35	$ 50.24
Historic volatility (as a percent)	43.20%	52.30%
Risk-free rate (as a percent)		1.68%
Weighted-average expected annual forfeiture (as a percent)	5.00%	4.80%
Weighted Average Grant Date Fair Value
Nonvested stock at the beginning of the period (in dollars per share)	$ 50.24
Nonvested stock at the end of the period (in dollars per share)	$ 43.35	$ 50.24
Minimum
Valuation Assumptions:
Risk-free rate (as a percent)	1.10%
Maximum
Valuation Assumptions:
Risk-free rate (as a percent)	1.70%
Domestic and international employees
SHARE-BASED COMPENSATION
Percentage of shares vesting on the second anniversary from the date of grant	50.00%
Percentage of shares vesting on the third anniversary from the date of grant	50.00%
Restricted Stock
Valuation Assumptions:
Weighted-average fair value (in dollars per share)	$ 45.39	$ 45.39		$ 44.31	45.39
Percentage of shares transferrable on first anniversary from date of grant	25.00%
Percentage of shares transferrable on the third anniversary from the date of grant	50.00%
Shares
Nonvested stock at the beginning of the period (in shares)	1,719,574
Granted (in shares)	570,484
Vested (in shares)	(112,720)
Cancelled (in shares)	(253,088)
Nonvested stock at the end of the period (in shares)	1,924,250	1,719,574
Expected to vest at the end of the period (in shares)				1,751,883
Weighted Average Grant Date Fair Value
Nonvested stock at the beginning of the period (in dollars per share)	$ 45.39
Granted (in dollars per share)	36.87	$ 48.05	$ 21.79
Vested (in dollars per share)	20.07
Cancelled (in dollars per share)	45.67
Nonvested stock at the end of the period (in dollars per share)	$ 44.31	$ 45.39
Expected to vest at the end of the period (in dollars per share)				$ 44.52
Additional disclosures
Total unrecognized compensation cost related to nonvested stock awards granted under restricted stock plans				$ 37,900
Weighted average recognition period of unrecognized stock-based compensation expense	2 years
Fair value of shares vested under restricted stock plans	$ 2,300	$ 6,900	$ 1,600
Restricted Stock \| Non-employee directors
Valuation Assumptions:
Value of shares granted annually	100
Restricted Stock \| Chairman of the Board
Valuation Assumptions:
Value of shares granted annually	150
LTIP Shares
SHARE-BASED COMPENSATION
Aggregate grant date value		$ 54,800
Percentage of shares vesting on the third anniversary from the date of grant		50.00%
Share Based Compensation Arrangement by Share Based Payment Award Percentage Vesting on Fifth Anniversary from Date of Grant		50.00%
LTIP Shares \| Key Executives
SHARE-BASED COMPENSATION
Aggregate grant date value	$ 4,600	$ 64,900
Shares
Granted (in shares)	105,245	1,291,487
Annual Long Term Incentive Awards
SHARE-BASED COMPENSATION
Aggregate grant date value		$ 10,100
Percentage of shares vesting on the second anniversary from the date of grant	50.00%	50.00%
Percentage of shares vesting on the third anniversary from the date of grant	50.00%	50.00%
Annual Long Term Incentive Awards \| Minimum
SHARE-BASED COMPENSATION
Number of shares to be earned as a percentage of target amount		30.00%
Annual Long Term Incentive Awards \| Maximum
SHARE-BASED COMPENSATION
Number of shares to be earned as a percentage of target amount		200.00%
Performance Shares
SHARE-BASED COMPENSATION
Aggregate grant date value	$ 9,100	$ 8,900
Valuation Assumptions:
Weighted-average fair value (in dollars per share)	$ 43.93	$ 43.93		$ 37.47	$ 43.93
Historic volatility (as a percent)	41.60%	44.20%
Risk-free rate (as a percent)	1.00%	0.70%
Weighted-average expected annual forfeiture (as a percent)	4.10%	4.00%
Shares
Expected to vest at the end of the period (in shares)				243,419	202,541
Weighted Average Grant Date Fair Value
Nonvested stock at the beginning of the period (in dollars per share)	$ 43.93
Nonvested stock at the end of the period (in dollars per share)	$ 37.47	$ 43.93
Performance Shares \| Minimum
SHARE-BASED COMPENSATION
Percentage of shares vesting on the third anniversary from the date of grant	30.00%
Weighted Average Grant Date Fair Value
Number of awards granted depending on the Company's Total Shareholder Return ("TSR") relative to the TSR of the S&P Mid-Cap 400 Index (as a percent)	0.00%
Percentage impact of stock price over vesting periods on number of MSU awarded	30.00%
Performance Shares \| Maximum
Weighted Average Grant Date Fair Value
Number of awards granted depending on the Company's Total Shareholder Return ("TSR") relative to the TSR of the S&P Mid-Cap 400 Index (as a percent)	200.00%
Percentage impact of stock price over vesting periods on number of MSU awarded	200.00%