LONG-TERM DEBT AND FINANCING ARRANGEMENTS - Additional Information (Detail)			1 Months Ended					3 Months Ended	12 Months Ended
	Jan. 24, 2014 USD ($)	Dec. 24, 2013 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($) shares	Nov. 30, 2012 USD ($)	Jul. 31, 2012 USD ($) deferral_period	Nov. 30, 2010 USD ($) $ / shares shares	Jan. 02, 2016 USD ($) $ / shares shares	Jan. 02, 2016 USD ($) $ / shares shares	Jan. 03, 2015 USD ($) $ / shares shares	Dec. 28, 2013 USD ($) $ / shares shares	Dec. 24, 2015 $ / shares	Oct. 03, 2015 $ / shares shares	Jan. 01, 2011 USD ($)	Nov. 03, 2010 $ / shares
Debt Instrument [Line Items]
Principal amount of long-term debt maturing in year one								$ 4,700,000	$ 4,700,000
Principal amount of long-term debt maturing in year two								4,200,000	4,200,000
Principal amount of long-term debt maturing in year three								980,900,000	980,900,000
Principal amount of long-term debt maturing in year four								5,000,000	5,000,000
Principal amount of long-term debt maturing in year five								1,300,000	1,300,000
Principal amount of long-term debt maturing after year five								2,854,900,000	2,854,900,000
Debt, fair value adjustment								3,800,000	3,800,000
Fair value adjustment and unamortized gain termination of swap								$ 22,500,000	22,500,000
Interest paid									176,600,000	$ 181,500,000	$ 172,600,000
Repayments of Long-term Debt									$ 16,100,000	46,600,000	302,200,000
Long-term debt, face amount							$ 632,500,000
Long-term debt, interest rate								2.45%	2.45%					4.25%
Proceeds from debt issuance									$ 0	0	726,700,000
Payments of debt extinguishment costs			$ 45,300,000						0	0	42,800,000
additional deposit made to trustee for debt repayment									9,000,000		9,000,000
(Gain) loss on debt extinguishment				$ 42,800,000					0	(100,000)	20,600,000
Amortization of Debt Discount (Premium)										300,000
Unrealized Gain (Loss) on Derivatives				8,100,000
Long-term debt, including current maturities								$ 3,841,700,000	3,841,700,000	3,845,700,000
Commercial Paper and Credit Facilities [Abstract]
Commercial paper program, total amount								2,000,000,000	2,000,000,000
Line of credit borrowing capacity								2,700,000,000	2,700,000,000
Short-term credit lines								$ 2,500,000	$ 2,500,000	$ 1,600,000
Equity Unit Shares Issuable Upon Conversion | shares									6,100,000
Equity Unit Shares Issuable Upon Conversion [Abstract]
Common Stock, Par or Stated Value Per Share | $ / shares								$ 2.5	$ 2.5	$ 2.5
Convertible Preferred Units [Abstract]
Preferred stock dividend rate							4.75%
Call option, aggregate premium				9,700,000						$ 50,300,000
Convertible preferred stock, liquidation preference | $ / shares												$ 100.49
Purchase contracts, annual contract adjustment payment								4.00%	4.00%	0.50%
Present value of the contract adjustment payments							$ 14,900,000	$ 13,600,000	$ 13,600,000	$ 40,200,000
Accretion expense									600,000
Interest expense recorded									$ 180,400,000	$ 177,200,000	$ 160,100,000
Adjusted strike price (USD per share) | $ / shares								$ 112.71	$ 112.71
Stock Exercise Price Per Share Percentage Greater Than Closing Price | $ / shares								$ 0.40	$ 0.40						$ 0.60
Common Stock, Shares, Issued | shares								176,902,738	176,902,738	176,902,738
Proceeds from Issuance of Subordinated Long-term Debt									$ 345,000,000
Common Stock
Debt Instrument [Line Items]
Conversion price (USD per share) | $ / shares								$ 98.62	$ 98.62
Equity Unit Shares Issuable Upon Conversion [Abstract]
Equity Units Conversion Rate Number Of Common Stock Shares | shares									1.0140
Convertible Preferred Units
Debt Instrument [Line Items]
Conversion price (USD per share) | $ / shares								$ 72.52	$ 72.52				$ 72.66
Convertible Preferred Units [Abstract]
Preferred stock dividend rate										4.75%
Convertible preferred stock, liquidation preference | $ / shares										$ 100
Convertible preferred stock, conversion rate (USD per share) | shares								1.3789	1.3789				1.3763
Maximum
Convertible Preferred Units [Abstract]
Adjusted strike price (USD per share) | $ / shares							$ 97.95	$ 112.91	$ 112.91
Common Stock, Shares, Issued | shares								4.3	4.3
Maximum | Convertible Preferred Units
Convertible Preferred Units [Abstract]
Convertible preferred stock, conversion rate (USD per share) | shares								1.2399	1.2399		1.2399
Minimum
Convertible Preferred Units [Abstract]
Adjusted strike price (USD per share) | $ / shares							$ 75.00	$ 98.80	$ 98.80
Common Stock, Shares, Issued | shares								3.5	3.5
Minimum | Common Stock
Equity Unit Shares Issuable Upon Conversion [Abstract]
Equity Units Conversion Rate Number Of Common Stock Shares | shares									1.0122		1.0122
Purchase accounting FV adjustments
Debt Instrument [Line Items]
(Gain) loss on debt extinguishment				(11,900,000)
Gain (Loss) on Derivative [Domain]
Debt Instrument [Line Items]
(Gain) loss on debt extinguishment										$ (2,200,000)
New Credit Facility
Commercial Paper and Credit Facilities [Abstract]
Line of Credit Facility, Current Borrowing Capacity								$ 1,750,000,000	$ 1,750,000,000
Committed Credit Facility
Commercial Paper and Credit Facilities [Abstract]
Line of credit borrowing capacity								1,500,000,000	1,500,000,000
Line of credit, foreign currency sublimit								400,000,000	400,000,000
Line of Credit
Commercial Paper and Credit Facilities [Abstract]
Line of credit borrowing capacity								743,800,000	743,800,000
Line of credit facility, available borrowing capacity								644,100,000	644,100,000
Short-term credit lines								$ 2,500,000	$ 2,500,000
Weighted average interest rates on short-term borrowings								0.40%	0.40%	0.20%
Letter of Credit [Member]
Commercial Paper and Credit Facilities [Abstract]
Short-term credit lines								$ 99,800,000	$ 99,800,000
senior notes due 2016 [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 342,800,000	$ 351,800,000
Notes payable due 2022
Debt Instrument [Line Items]
Long-term debt, face amount					$ 800,000,000					$ 45,700,000
Long-term debt, interest rate					2.90%			2.90%	2.90%	2.90%
Proceeds from debt issuance					$ 793,900,000
Unamortized debt discount					700,000
Debt issuance costs					$ 5,400,000
Long-term debt, repurchase price as a percent of principal amount					101.00%
Long-term debt, including current maturities								$ 753,900,000	$ 753,900,000	$ 753,800,000
Notes paybable due 2022
Debt Instrument [Line Items]
Unamortized debt discount										$ 400,000
Notes payable due 2052 (junior subordinated)
Debt Instrument [Line Items]
Long-term debt, interest rate						5.75%		5.75%	5.75%	5.75%
Proceeds from debt issuance						$ 729,400,000
Debt issuance costs						20,600,000
Junior subordinated notes						$ 750,000,000
Number of consecutive deferral periods | deferral_period						5
Threshold percentage of principal plus accrued interest for redemption						100.00%
Long-term debt, including current maturities								$ 750,000,000	$ 750,000,000	$ 750,000,000
Notes payable due 2021
Debt Instrument [Line Items]
Fair value adjustment and unamortized gain termination of swap								$ 2,700,000	$ 2,700,000
Long-term debt, interest rate								3.40%	3.40%	3.40%
Unamortized debt discount								$ 200,000	$ 200,000
Long-term debt, including current maturities								407,900,000	407,900,000	$ 403,900,000
Notes payable due 2021 | Fixed to Floating Interest Rate Swap
Debt Instrument [Line Items]
Long-term debt, face amount								400,000,000	400,000,000
Notes payable due 2021 | Fixedto Floating Interest Rate Swaps Terminated [Member]
Debt Instrument [Line Items]
Fair value adjustment and unamortized gain termination of swap								(10,800,000)	(10,800,000)
Notes payable due 2016
Debt Instrument [Line Items]
Long-term debt, face amount											$ 300,000,000
Long-term debt, interest rate											5.75%
Notes 5 Point 75 Percent due 2053 [Member]
Debt Instrument [Line Items]
Notes Payable, Noncurrent								$ 400,000,000	$ 400,000,000
Long-term debt, interest rate								5.75%	5.75%	5.75%	5.75%
Proceeds from debt issuance				392,000,000
Debt issuance costs				8,000,000
Long-term debt, repurchase price as a percent of principal amount								100.00%	100.00%
Long-term debt, including current maturities								$ 402,700,000	$ 402,700,000	$ 398,700,000	$ 400,000,000
Notes 5 Point 75 Percent due 2053 [Member] | Fixed to Floating Interest Rate Swap
Debt Instrument [Line Items]
Fair value adjustment and unamortized gain termination of swap								$ 2,700,000	$ 2,700,000
Notes payable due 2028
Debt Instrument [Line Items]
Long-term debt, interest rate								7.05%	7.05%	7.05%
Long-term debt, including current maturities								$ 167,000,000	$ 167,000,000	$ 166,000,000
Notes payable due 2028 | Fixed to Floating Interest Rate Swap
Debt Instrument [Line Items]
Fair value adjustment and unamortized gain termination of swap								(13,200,000)	(13,200,000)
Long-term debt, face amount								$ 150,000,000	$ 150,000,000
Notes 5 Point 20 Percent Due 2040 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate								5.20%	5.20%	5.20%
Unamortized debt discount								$ 300,000	$ 300,000
Long-term debt, including current maturities								363,500,000	363,500,000	$ 362,100,000
Notes 5 Point 20 Percent Due 2040 [Member] | Fixed to Floating Interest Rate Swap
Debt Instrument [Line Items]
Long-term debt, face amount								400,000,000	400,000,000
Notes Payable Maturities 2040 [Domain] | Fixed to Floating Interest Rate Swap
Debt Instrument [Line Items]
Fair value adjustment and unamortized gain termination of swap								$ 36,200,000	$ 36,200,000
Notes payable due in 2018 (junior subordinated)
Debt Instrument [Line Items]
Proceeds from debt issuance							$ 613,500,000
Convertible Preferred Units [Abstract]
Convertible Preferred Stock Shares Issuable Upon Conversion | shares							6,325,000	6,325,000
Preferred stock units, stated amount | $ / shares							$ 100
Conversion premium for convertible notes							10.00%
Principal amount denominator							$ 1,000
Share purchase requirement | shares							1
Notes 2 Point 25 Percent due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt, interest rate								2.25%	2.25%	2.25%	2.25%
Proceeds from debt issuance				$ 334,700,000					$ 334,700,000
Long-term debt, including current maturities								$ 345,000,000	$ 345,000,000		$ 345,000,000
Commercial Paper and Credit Facilities [Abstract]
Equity Unit Shares Issuable Upon Conversion | shares				3,450,000
Equity Unit Shares Issuable Upon Conversion [Abstract]
Common Stock, Par or Stated Value Per Share | $ / shares								$ 100	$ 100		$ 100
Convertible Preferred Units [Abstract]
Conversion premium for convertible notes											10.00%
Principal amount denominator											$ 1,000
Interest expense recorded									$ 7,800,000	$ 7,800,000
Convertible notes payable due in 2018 (subordinated)
Debt Instrument [Line Items]
Long-term debt, face amount														$ 632,500,000
Long-term debt, interest rate								2.25%	2.25%	4.25%				4.25%
Long-term debt, including current maturities							$ 632,500,000	$ 345,000,000	$ 345,000,000	$ 345,000,000
Convertible Preferred Units [Abstract]
Convertible Preferred Stock Shares Issuable Upon Conversion | shares									6,100,000.0
Interest expense recorded									$ 23,300,000	26,900,000
Convertible Notes Payable two Point four Five Percent Due Twenty Eighteen [Member] [Member]
Convertible Preferred Units [Abstract]
Interest expense recorded									1,900,000
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Long-term debt, including current maturities								$ 19,200,000	$ 19,200,000	$ 33,700,000
Notes Payable, Other Payables [Member] | Maximum
Debt Instrument [Line Items]
Long-term debt, interest rate								6.62%	6.62%	6.62%
Notes Payable, Other Payables [Member] | Minimum
Debt Instrument [Line Items]
Long-term debt, interest rate								0.00%	0.00%	0.00%
Cash and Cash Equivalents [Member]
Debt Instrument [Line Items]
Payments of debt extinguishment costs											$ 51,800,000