Share-Based Compensation (Tables)

3 Months Ended

Jun. 28, 2014

Option Activity and Information about Options Outstanding

The following table summarizes the share option activity during the three months ended June 28, 2014, and information about options outstanding at June 28, 2014:

						Weighted
						Average		Aggregate
				Weighted		Remaining		Intrinsic
	Number of			Average		Contractual		Value
	Options			Exercise price		Life (years)		(in thousands)
Outstanding at March 29, 2014		8,377,928		$	13.69
Granted		574,139		$	94.44
Exercised		(694,313	)	$	7.45
Canceled/forfeited		(101,776	)	$	28.38
Outstanding at June 28, 2014		8,155,978		$	19.71		6.08	$	575,802
Vested or expected to vest at June 28, 2014		7,992,858		$	19.71		6.08
Vested and exercisable at June 28, 2014		3,820,936		$	9.79		5.85	$	306,474

Assumptions Used to Estimate Fair Value of Options

The following table represents assumptions used to estimate the fair value of options:

	Three Months Ended
	June 28,			June 29,
	2014			2013
Expected dividend yield		0.0	%		0.0	%
Volatility factor		33.3	%		46.2	%
Weighted average risk-free interest rate		1.5	%		1.0	%
Expected life of option		4.75 years			4.75 years

Restricted Shares and Restricted Share Units

The following table summarizes restricted shares under the 2012 Plan as of June 28, 2014 and changes during the fiscal period then ended:

				Weighted
	Number of Unvested Restricted Shares			Average Grant Date Fair Value
Unvested at March 29, 2014		657,853		$	38.38
Granted		319,410		$	94.38
Vested		(42,992	)	$	61.85
Canceled/forfeited		(15,970	)	$	56.49
Unvested at June 28, 2014		918,301		$	56.01

The following table summarizes restricted share units under the 2012 Plan as of June 28, 2014 and changes during the fiscal period then ended:

				Weighted
	Number of Unvested Restricted Units			Average Grant Date Fair Value
Unvested at March 29, 2014		199,779		$	58.31
Granted		114,504		$	94.45
Vested		—		$	—
Canceled/forfeited		(1,446	)	$	62.24
Unvested at June 28, 2014		312,837		$	71.52