Acquisitions - Additional Information (Details) - USD ($) $ in Thousands			12 Months Ended
	Jun. 01, 2015	May 30, 2014	Oct. 30, 2015
Business Acquisition [Line Items]
Goodwill acquired during the year			$ 55,717
Montabert S.A.S. [Member]
Business Acquisition [Line Items]
Percentage of acquisition of equity (as percentage)	100.00%
Payments to acquire assets of business	$ 121,500
Cash acquired	7,100
Goodwill acquired during the year	55,500
Intangible assets acquired as part of business combination	$ 35,100
Mining Technologies, Inc. [Member]
Business Acquisition [Line Items]
Payments to acquire assets of business		$ 44,400
Goodwill acquired during the year		300
Intangible assets acquired as part of business combination		$ 9,900