Basis of Presentation - Additional Information (Detail) - $ / shares	1 Months Ended
	May. 28, 2015	Jul. 20, 2015	Jul. 03, 2015	Jan. 02, 2015
Authorized Capital Stock [Line Items]
Common stock, dividends per share declared, subsequent event		$ 0.15
Common Stock Shares Authorized	80,000,000		80,000,000	80,000,000
Preferred Stock, Shares Authorized	2,000,000
Stockholders' Equity Note, Stock Split	two-for-one stock split