SEGMENT REPORTING - Information about Operations by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Revenue from external customers	$ 225,299	$ 136,817	$ 453,788	$ 278,437
Operating income	5,532	2,663	8,824	7,733
Healthcare
Segment Reporting Information [Line Items]
Revenue from external customers	64,456	48,176	129,233	97,671
Operating income	2,949	1,769	4,819	3,905
Business Solutions
Segment Reporting Information [Line Items]
Revenue from external customers	160,843	88,641	324,555	180,766
Operating income	$ 2,583	$ 894	$ 4,005	$ 3,828