Restructuring and impairment charges by segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Restructuring and other impairment charges
Total restructuring and impairment charges	$ 4,448	$ 7,780
Restructuring charges	4,448	7,780
Vascular North America
Restructuring and other impairment charges
Restructuring charges	830	14
Anesthesia Respiratory North America
Restructuring and other impairment charges
Restructuring charges	(40)	27
Surgical North America
Restructuring and other impairment charges
Restructuring charges	23	0
EMEA
Restructuring and other impairment charges
Restructuring charges	(32)	7,889
Asia
Restructuring and other impairment charges
Restructuring charges	0	78
OEM
Restructuring and other impairment charges
Restructuring charges	0	0
All Other
Restructuring and other impairment charges
Restructuring charges	$ 3,667	$ (228)