Subsequent Events - Additional Information (Detail) - Alpine Valley Bread Company - USD ($) $ in Millions		9 Months Ended
	Oct. 13, 2015	Oct. 10, 2015
Business acquisition, description		On October 13, 2015, the company completed the acquisition of Alpine Valley Bread Company, a family-owned producer of certified organic and all natural breads in the U.S., from its existing shareholders for approximately $120.0 million in cash and stock. The acquisition is intended to expand our penetration into the organic market and provide additional organic production capacity. We funded the acquisition with $108.0 million from our existing credit facilities and the issuance of 481,540 shares of our common stock.
Subsequent Event
Business acquisition, date of acquisition agreement	Oct. 13, 2015
Potential payments to acquire businesses gross	$ 120.0
Business acquisition	$ 108.0
Common shares issued for acquisition	481,540