Debt - Components of Debt (Detail) - USD ($) $ in Millions	Mar. 31, 2018	Jan. 30, 2018	Dec. 30, 2017
Debt Instrument [Line Items]
Total debt, principal amount	$ 1,314.0		$ 2,313.5
Total short-term debt, principal amount			220.3
Total debt, Unamortized debt issuance costs	19.5		26.5
Total debt required to be repaid or extinguished as part of divestiture, principal amount			525.0
ABL facility			220.3
Senior notes	1,284.9		2,057.5
Total debt required to be repaid or extinguished as part of divestiture, Unamortized debt issuance costs			6.0
Short-term borrowings	3.7
GE Term Loan			2.0
Short-term borrowings	3.7
Capital leases	5.9		6.4
Total debt	1,294.5		2,287.0
Total short-term borrowings required to be repaid or extinguished			220.3
GE Term Loan - current maturities			2.0
Capital leases - current maturities	2.1		2.3
Total current debt	5.8		225.4
Total debt required to be repaid or extinguished as part of divestiture			519.0
Total long-term debt	1,288.7		1,542.6
Short-term Debt [Member]
Debt Instrument [Line Items]
Total debt, principal amount	3.7		0.8
Short-term borrowings	3.7		0.8
Short-term borrowings	3.7		0.8
Long-term Debt [Member]
Debt Instrument [Line Items]
Total debt, principal amount	1,308.2		1,563.1
Total debt, Unamortized debt issuance costs	19.5		20.5
ABL Facility [Member]
Debt Instrument [Line Items]
Total debt, principal amount			220.3
ABL facility		$ 262.5
GE Term Loan [Member]
Debt Instrument [Line Items]
Total debt, principal amount			2.0
Capital Leases [Member]
Debt Instrument [Line Items]
Total debt, principal amount	5.9		6.4
10.000% Senior Notes Due in 2021 [Member]
Debt Instrument [Line Items]
Total debt, principal amount			269.9
Senior notes			269.9
5.375% Senior Notes Due in 2022 [Member]
Debt Instrument [Line Items]
Total debt, principal amount			525.0
Total debt, Unamortized debt issuance costs			6.0
Total debt required to be repaid or extinguished as part of divestiture, principal amount			525.0
Senior notes			519.0
Total debt required to be repaid or extinguished as part of divestiture, Unamortized debt issuance costs			6.0
Total debt required to be repaid or extinguished as part of divestiture			519.0
5.500% Senior Notes Due in 2024 [Member]
Debt Instrument [Line Items]
Total debt, principal amount	554.4		539.1
Total debt, Unamortized debt issuance costs	8.8		9.5
Senior notes	545.6		529.6
5.500% Senior Notes Due in 2025 [Member]
Debt Instrument [Line Items]
Total debt, principal amount	750.0		750.0
Total debt, Unamortized debt issuance costs	10.7		11.0
Senior notes	$ 739.3		$ 739.0