Segment Result (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
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 468,105		$ 420,059		$ 906,651		$ 831,936
Operating Profit	74,752		63,751		133,772		113,155
Depreciation and Amortization	32,402		25,619		63,815		51,960
Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	96,474	[1]	81,679	[1]	178,189	[1]	149,758	[1]
Unallocated expenses
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	(21,722)	[2]	(17,928)	[2]	(44,417)	[2]	(36,603)	[2]
Vascular North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	64,187		56,746		126,694		113,420
Depreciation and Amortization	8,066		6,875		15,921		13,434
Vascular North America | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	9,988		6,326		19,381		11,352
Anesthesia Respiratory North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	55,049		58,516		109,763		116,690
Depreciation and Amortization	3,708		2,874		8,136		6,715
Anesthesia Respiratory North America | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	6,293		9,264		11,980		14,942
Surgical North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	37,969		37,749		73,200		74,437
Depreciation and Amortization	1,666		2,678		4,035		5,232
Surgical North America | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	14,366		13,651		24,914		27,313
EMEA
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	154,670		137,842		304,914		280,260
Depreciation and Amortization	9,673		6,843		18,610		13,994
EMEA | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	30,080		21,226		56,961		44,468
Asia
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	62,539		50,409		112,142		92,777
Depreciation and Amortization	2,305		1,203		4,143		2,415
Asia | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	17,096		13,971		29,932		26,067
OEM
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	36,610		32,110		69,791		63,448
Depreciation and Amortization	1,608		1,213		3,064		2,361
OEM | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	8,296		7,734		14,900		14,094
All Other
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	57,081		46,687		110,147		90,904
Depreciation and Amortization	5,376		3,933		9,906		7,809
All Other | Operating Segments
Revenues From External Customers And Long Lived Assets [Line Items]
Operating Profit	$ 10,355		$ 9,507		$ 20,121		$ 11,522

[1] Segment operating profit includes segment net revenues from external customers reduced by its standard cost of goods sold, adjusted for fixed manufacturing cost absorption variances, selling, general and administrative expenses, research and development expenses and an allocation of corporate expenses.

[2] Unallocated expenses primarily include manufacturing variances, with the exception of fixed manufacturing cost absorption variances, and restructuring and other impairment charges.