Fair Value Measurements - Fair Value Assets and Liabilities Measured on Recurring Basis (Detail) $ in Millions	Dec. 29, 2018 USD ($)
Assets:
Assets measured at fair value on a recurring basis	$ 9.9
Liabilities:
Liabilities measured at fair value on a recurring basis	8.6
Interest rate cap - derivative
Assets:
Assets measured at fair value on a recurring basis	3.3
Forward foreign currency contracts
Assets:
Assets measured at fair value on a recurring basis	6.6
Contingent Consideration Type [Domain]
Liabilities:
Contingent Consideration Classified as Equity, Fair Value Disclosure	8.3
Forward Contracts [Member]
Liabilities:
Foreign Currency Contracts, Liability, Fair Value Disclosure	0.3
Quoted Prices in Active Market for Identical Assets (Level 1)
Assets:
Assets measured at fair value on a recurring basis	0.0
Liabilities:
Liabilities measured at fair value on a recurring basis	0.0
Quoted Prices in Active Market for Identical Assets (Level 1) | Interest rate cap - derivative
Assets:
Assets measured at fair value on a recurring basis	0.0
Quoted Prices in Active Market for Identical Assets (Level 1) | Forward foreign currency contracts
Assets:
Assets measured at fair value on a recurring basis	0.0
Quoted Prices in Active Market for Identical Assets (Level 1) | Contingent Consideration Type [Domain]
Liabilities:
Contingent Consideration Classified as Equity, Fair Value Disclosure	0.0
Quoted Prices in Active Market for Identical Assets (Level 1) | Forward Contracts [Member]
Liabilities:
Foreign Currency Contracts, Liability, Fair Value Disclosure	0.0
Significant Other Observable Inputs (Level 2)
Assets:
Assets measured at fair value on a recurring basis	9.9
Liabilities:
Liabilities measured at fair value on a recurring basis	0.3
Significant Other Observable Inputs (Level 2) | Interest rate cap - derivative
Assets:
Assets measured at fair value on a recurring basis	3.3
Significant Other Observable Inputs (Level 2) | Forward foreign currency contracts
Assets:
Assets measured at fair value on a recurring basis	6.6
Significant Other Observable Inputs (Level 2) | Contingent Consideration Type [Domain]
Liabilities:
Contingent Consideration Classified as Equity, Fair Value Disclosure	0.0
Significant Other Observable Inputs (Level 2) | Forward Contracts [Member]
Liabilities:
Foreign Currency Contracts, Liability, Fair Value Disclosure	0.3
Significant Unobservable Inputs (Level 3)
Assets:
Assets measured at fair value on a recurring basis	0.0
Liabilities:
Liabilities measured at fair value on a recurring basis	8.3
Significant Unobservable Inputs (Level 3) | Interest rate cap - derivative
Assets:
Assets measured at fair value on a recurring basis	0.0
Significant Unobservable Inputs (Level 3) | Forward foreign currency contracts
Assets:
Assets measured at fair value on a recurring basis	0.0
Significant Unobservable Inputs (Level 3) | Contingent Consideration Type [Domain]
Liabilities:
Contingent Consideration Classified as Equity, Fair Value Disclosure	8.3
Significant Unobservable Inputs (Level 3) | Forward Contracts [Member]
Liabilities:
Foreign Currency Contracts, Liability, Fair Value Disclosure	$ 0.0