Share-based compensation (Tables)

12 Months Ended

Jun. 29, 2012

Effect of Recording Share-Based Compensation Expense

The effect of recording share-based compensation expense for the years ended June 29, 2012, June 24, 2011 and June 25, 2010 was as follows:

	Year Ended
	June 29, 2012		June 24, 2011		June 25, 2010
Share-based compensation expense by type of award:
Share options	$	3,443	$	2,943	$	655
Restricted shares		1,206		517		—
Total share-based compensation expense		4,649		3,460		655
Tax effect on share-based compensation expense		—		—		—
Net effect on share-based compensation expense	$	4,649	$	3,460	$	655

Weighted Average Assumptions for Fair Value of Share Options Granted to Employees

Fair Value—The fair value of the Group’s share options granted to employees for the years ended June 29, 2012, June 24, 2011 and June 25, 2010 was estimated using the following weighted-average assumptions:

	June 29, 2012			June 24, 2011			June 25, 2010
Dividend yield		—			—			—
Expected volatility		61.3	%		42.3	%		43.4	%
Risk-free rate of return		0.90	%		1.21	%		2.26	%
Expected term (in years)		4.36			4.54			4.55

Restricted Share Unit Activity

The following summarizes restricted share unit activity under the 2010 Plan:

	Number of Shares Underlying Restricted Share Units								Weighted-Average Grant Date Fair Value Per Share
	Year Ended								Year Ended
	June 29, 2012			June 24, 2011			June 25, 2010		June 29, 2012		June 24, 2011		June 25, 2010
Unvested balance at beginning of the period		25,900			—			—	$	21.62	$	—	$	—
Granted		211,266			43,420			—		14.37		18.47		—
Issued		(25,900	)		(17,520	)		—		21.62		13.82		—
Forfeited		(42,991	)		—			—		14.07		—		—
Vested		—			—			—		—		—		—
Unvested balance at end of the period		168,275			25,900			—	$	14.44	$	21.62	$	—

Stock Plan 1999

Share Option Activity

The following summarizes share option activity under the 1999 Plan:

	Number of Shares Underlying Options									Weighted-Average Exercise Price Per Share
	Year Ended									Year Ended
	June 29, 2012			June 24, 2011			June 25, 2010			June 29, 2012		June 24, 2011		June 25, 2010
Shares underlying options outstanding at beginning of the period		423,205			858,005			1,023,592		$	4.34	$	3.66	$	2.77
Granted		—			—			168,500			—		—		5.77
Exercised		(225,731	)		(418,048	)		(285,108	)		3.58		2.95		1.70
Forfeited		(6,805	)		(10,852	)		(19,219	)		5.92		5.48		5.32
Expired		(1,129	)		(5,900	)		(29,760	)		5.75		2.78		2.67
Shares underlying options outstanding at end of the period		189,540			423,205			858,005		$	5.18	$	4.34	$	3.66
Shares underlying options exercisable at end of the period		133,578			292,514			593,409		$	4.94	$	3.75	$	2.93

Information for Share Options Outstanding

The following summarizes information for share options outstanding as of June 29, 2012 under the 1999 Plan:

	Number of Shares Underlying Options		Exercise Price Per Share		Weighted Average Remaining Contractual Life (years)		Aggregate Intrinsic Value
		1,000	$	2.00		0.25
		4,925		2.25		0.62
		3,100		2.75		1.17
		1,600		3.00		1.19
		20,021		3.50		1.51
		3,605		4.25		2.17
		6,415		4.75		2.42
		11,156		5.00		2.63
		5,480		5.25		2.85
		26,250		5.50		3.16
		101,788		5.75		4.30
		4,200		6.25		4.85
Options outstanding		189,540				3.42	$	1,396
Options exercisable		133,578				3.03	$	1,016

Stock Option Plan 2010

Share Option Activity

The following summarizes share option activity under the 2010 Plan:

	Number of Shares Underlying Options								Weighted-Average Exercise Price Per Share
	Year Ended								Year Ended
	June 29, 2012			June 24, 2011			June 25, 2010		June 29, 2012		June 24, 2011		June 25, 2010
Shares underlying options outstanding at beginning of the period		925,921			—			—	$		$	—	$	—
Granted		590,537			1,012,367			—		14.82		17.37		—
Exercised		(11,619	)		(20,281	)		—		16.60		16.83		—
Forfeited		(211,491	)		(66,165	)		—		16.51		17.51		—
Expired		(12,598	)		—			—		19.51		—		—
Shares underlying options outstanding at end of the period		1,280,750			925,921			—	$	16.32	$	17.37	$	—
Shares underlying options exercisable at end of the period		399,068			112,343			—	$	16.66	$	17.05	$	—

Information for Share Options Outstanding

The following summarizes information for share options outstanding as of June 29, 2012 under the 2010 Plan:

	Number of Shares Underlying Options		Exercise Price Per Share		Weighted Average Remaining Contractual Life (years)		Aggregate Intrinsic Value
		40,000	$	13.77		5.15
		658,955		16.83		5.29
		30,000		15.05		5.35
		33,944		25.50		5.55
		9,800		26.16		5.60
		12,800		23.62		5.85
		199,502		15.16		6.14
		255,739		14.12		6.37
		31,160		19.36		6.62
		5,550		18.60		6.67
		3,300		12.83		6.86
Options outstanding		1,280,750				5.69	$	0
Options exercisable		399,068				5.47	$	0