SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended	5 Months Ended	12 Months Ended
	Dec. 29, 2013	Dec. 28, 2014	Sep. 26, 2013	Apr. 28, 2013	Apr. 29, 2012
Scenario, Forecast
Estimated Amortization of Intangible Assets, Next Five Years		$ 6.8
Successor
Foreign Currency Transaction Gain (Loss), before Tax	0.2	(4.0)
Allowance for Doubtful Accounts Receivable, Current	3.2	7.5
Capital Leased Assets, Gross	28.6	28.5
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation	(0.6)	(1.2)
Depreciation	53.7	223.7
Interest Costs Capitalized	0.4	1.1
Amortization of Intangible Assets	1.7	6.8
Advertising Expense	48.0	165.8
Research and Development Expense	23.2	75.3
Predecessor
Foreign Currency Transaction Gain (Loss), before Tax			0.3	1.1	(7.4)
Depreciation			104.8	235.3	238.6
Interest Costs Capitalized			0.7	4.8	2.8
Amortization of Intangible Assets			1.7	3.1	3.0
Advertising Expense			63.5	143.1	122.9
Research and Development Expense			$ 31.9	$ 80.9	$ 75.9