Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Property, Plant and Equipment, Estimated Useful Lives

Property, plant and equipment is recorded at cost and depreciated using the straight-line method over the estimated useful lives of the related assets as follows:

Machinery and equipment	3 to 7 years
Furniture and fixtures	5 years
Software	3 to 5 years
Buildings	39 years
Building improvements	20 years
Land improvements	15 years
Leasehold improvements	shorter of lease term or estimated useful life

Reconciliation of the Changes in Accrued Warranty Costs

The following table presents for the years ended June 30, 2016, 2015 and 2014, the reconciliation of the changes in accrued warranty costs which is included as a component of accrued liabilities (in thousands):

	Years Ended June 30,
	2016			2015			2014
Balance, beginning of year	$	7,700		$	7,083		$	6,472
Provision for warranty	17,470			15,771			14,175
Costs charged to accrual	(17,245		)	(14,950		)	(13,950		)
Change in estimated liability for pre-existing warranties	(2,109		)	(204		)	386
Balance, end of year	$	5,816		$	7,700		$	7,083

Computation of Basic and Diluted Net Income Per Common Share

The computation of basic and diluted net income per common share is as follows (in thousands, except per share amounts):

	Years Ended June 30,
	2016		2015		2014
Basic net income per common share calculation
Net income	$	72,021	$	101,863	$	54,157
Less: Undistributed earnings allocated to participating securities	—		—		(36		)
Net income attributable to common shares—basic	$	72,021	$	101,863	$	54,121
Weighted-average number of common shares used to compute basic net income per common share	47,917		46,434		43,599
Basic net income per common share	$	1.50	$	2.19	$	1.24
Diluted net income per common share calculation
Net income	$	72,021	$	101,863	$	54,157
Less: Undistributed earnings allocated to participating securities	—		—		(34		)
Net income attributable to common shares—diluted	$	72,021	$	101,863	$	54,123
Weighted-average number of common shares used to compute basic net income per common share	47,917		46,434		43,599
Dilutive effect of options and restricted stock units to purchase common stock	3,919		3,660		2,913
Weighted-average number of common shares used to compute diluted net income per common share	51,836		50,094		46,512
Diluted net income per common share	$	1.39	$	2.03	$	1.16