Fair Value Measurements - Fair Value Assets and Liabilities Measured on Recurring Basis (Detail) (USD $) In Millions, unless otherwise specified	Mar. 28, 2015
Assets:
Assets measured at fair value on a recurring basis	$ 33.7
Liabilities:
Liabilities measured at fair value on a recurring basis	37.2
Equity securities
Assets:
Assets measured at fair value on a recurring basis	21.8
Mutual funds
Assets:
Assets measured at fair value on a recurring basis	8.3
Interest Rate Cap [Member]
Assets:
Assets measured at fair value on a recurring basis	3.6
Deferred compensation liabilities
Liabilities:
Liabilities measured at fair value on a recurring basis	37.2
Quoted Prices in Active Market for Identical Assets (Level 1)
Assets:
Assets measured at fair value on a recurring basis	30.1
Liabilities:
Liabilities measured at fair value on a recurring basis	37.2
Quoted Prices in Active Market for Identical Assets (Level 1) | Equity securities
Assets:
Assets measured at fair value on a recurring basis	21.8
Quoted Prices in Active Market for Identical Assets (Level 1) | Mutual funds
Assets:
Assets measured at fair value on a recurring basis	8.3
Quoted Prices in Active Market for Identical Assets (Level 1) | Interest Rate Cap [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Quoted Prices in Active Market for Identical Assets (Level 1) | Deferred compensation liabilities
Liabilities:
Liabilities measured at fair value on a recurring basis	37.2
Significant Other Observable Inputs (Level 2)
Assets:
Assets measured at fair value on a recurring basis	3.6
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) | Equity securities
Assets:
Assets measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) | Mutual funds
Assets:
Assets measured at fair value on a recurring basis	0
Significant Other Observable Inputs (Level 2) | Interest Rate Cap [Member]
Assets:
Assets measured at fair value on a recurring basis	3.6
Significant Other Observable Inputs (Level 2) | Deferred compensation liabilities
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3)
Assets:
Assets measured at fair value on a recurring basis	0
Liabilities:
Liabilities measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) | Equity securities
Assets:
Assets measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) | Mutual funds
Assets:
Assets measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) | Interest Rate Cap [Member]
Assets:
Assets measured at fair value on a recurring basis	0
Significant Unobservable Inputs (Level 3) | Deferred compensation liabilities
Liabilities:
Liabilities measured at fair value on a recurring basis	$ 0