Fair Value of Financial Instruments (Tables)

9 Months Ended

Jan. 01, 2012

Fair Value of Financial Instruments

Schedule of fair value of assets and liabilities measured on a recurring basis

	As of January 1, 2012
	Fair Value Measurements Using Inputs Considered as
	Level 1		Level 2		Level 3
Assets
Marketable securities	$	—	$	10,877	$	—
Derivatives	—		9,791		—
Liabilities
Derivatives	$	—	$	12,934	$	—

	As of March 31, 2011
	Fair Value Measurements Using Inputs Considered as
	Level 1		Level 2		Level 3
Assets
Marketable securities	$	—	$	9,470	$	—
Derivatives	—		49,407		—
Liabilities
Derivatives	$	—	$	—	$	—

Schedule of carrying values and estimated fair values of assets and liabilities that are not measured on a recurring basis

	As of January 1, 2012				As of March 31, 2011
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Fixed rate debt	$	930,360	$	974,381	$	1,219,709	$	1,303,466
Variable rate debt	375,000		352,500		390,000		386,100