Commitments and Contingencies - Additional Information (Detail) $ in Thousands	3 Months Ended		11 Months Ended	12 Months Ended
	Sep. 30, 2016 USD ($)	Jan. 31, 2015 USD ($)	Oct. 02, 2015 USD ($)	Sep. 30, 2016 USD ($) Person	Dec. 31, 2015 USD ($)	Oct. 02, 2015 USD ($)		Oct. 31, 2014 USD ($)	Mar. 05, 2014 USD ($)
Contingent Liabilities [Line Items]
Rental expense for operating leases for engineering, selling, administrative and manufacturing			$ 18,600	$ 19,000				$ 18,100
Environmental Exit Costs, Assets Previously Disposed, Liability for Remediation	$ 800		1,600	$ 800		$ 1,600
Consent agreement term				The Consent Agreement has a three-year term and provides for: (i) a payment of $20 million, $10 million of which is suspended and eligible for offset credit based on verified expenditures for past and future remedial compliance measures; (ii) the appointment of an external Special Compliance Official to oversee compliance with the Consent Agreement and the ITAR; (iii) two external audits of the Company’s ITAR compliance program; and (iv) continued
Total penalty proposed by DDTC Office of Compliance									$ 20,000
Penalty suspended and eligible for offset credit									$ 10,000
Estimated and recorded charge	10,000			$ 10,000
Paid and Recorded over fiscal years 2014, 2015, and 2016	8,000			8,000
Estimated and payable in March 2017	2,000			2,000
Penalty suspended and approved for offset credit	10,000			10,000
Gain on release of non-income tax liability			$ 15,656	$ 0	$ 15,700	$ 15,656	[1]	$ 0
Reduction in interest expense					2,400
Insurance recovery received	$ 5,000
Belgium-based | Barco N V
Contingent Liabilities [Line Items]
Foreign currency exchange loss		$ (2,900)			$ (2,900)
US
Contingent Liabilities [Line Items]
Number of employees represented by various labor union | Person				554
Percentage of employees represented by labor unions				12.00%

[1] (Recast)