The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan in the current remaining fiscal period. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

No definition available.

Name:	us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

EMPLOYEE BENEFIT PLANS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Apr. 30, 2012	Mar. 31, 2011	Apr. 30, 2010	Sep. 29, 2012 Pension Plans, Defined Benefit [Member] Forecast [Member]	Sep. 29, 2012 Letter Of Credit [Member] PBGC [Member]	Apr. 30, 2012 Letter Of Credit [Member] PBGC [Member]
Line of Credit Facility [Line Items]
Incremental contributions	$ 2.5	$ 5.0	$ 7.5
Increased amount of letter of credit					12.5	10.0
Total minimum pension plan contributions				$ 8.9