Costs Associated with Exit and Restructuring Activities - Additional Information (Detail) (USD $)	1 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended	3 Months Ended	6 Months Ended
	Apr. 30, 2014 Person	Dec. 31, 2012 Person	Mar. 31, 2013	Jun. 30, 2013 June 2013 Plan [Member] Person	Jun. 29, 2014 June 2013 Plan [Member] Continuing Operations [Member]	Mar. 31, 2014 June 2013 Plan [Member] Continuing Operations [Member]	Jun. 29, 2014 June 2013 Plan [Member] Continuing Operations [Member]	Jun. 29, 2014 June 2013 Plan [Member] Continuing Operations [Member] Restructuring-related charges, included in cost of goods sold [Member]	Jun. 29, 2014 June 2013 Plan [Member] Continuing Operations [Member] Restructuring-related charges, included in cost of goods sold [Member]
Restructuring Charges [Abstract]
Elimination of workforce	120	190		350
Restructuring and restructuring-related cost incurred to date			$ 200,000		$ 667,000	$ 1,074,000	$ 1,741,000	$ 338,000	$ 910,000