Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)		3 Months Ended
	Jul. 01, 2018	Jun. 30, 2018
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of shares of common stock repurchased		66,553
Treasury stock, value, acquired, cost method		$ 3,500,000
Average price per share of common stock		$ 52.38
Subsequent Event [Member]
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of shares of common stock repurchased	24,001
Treasury stock, value, acquired, cost method	$ 1,334,000
Average price per share of common stock	$ 55.60