Debt (Debt Phantom) (Details) (4.45% term notes, due September 2022)	9 Months Ended
Dec. 28, 2012	Dec. 27, 2013
4.45% term notes, due September 2022
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	Libor
Debt Instrument, Basis Spread on Variable Rate		0.00%

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration