INCOME TAXES - NARRATIVE (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2016	Apr. 05, 2015
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Effective Income Tax Rate Reconciliation, Percent	32.30%	34.70%
Expected reduction in the liability for unrecognized tax benefits within the next 12 months	$ 6,433
Investment tax credits and related tax depreciation benefits	6,618
Write-down of equity investments in partnerships qualifying for tax credits (see Note 9)	5,593	$ 0
Other Nonoperating Income (Expense) | Partnerships Qualifying For Tax Credits
Income Tax Contingency [Line Items]
Write-down of equity investments in partnerships qualifying for tax credits (see Note 9)	$ 5,593