Financial Instruments - Additional Information (Detail) (USD $)	3 Months Ended													12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Derivatives Fair Value [Line Items]
Amount of loss in accumulated other comprehensive income to be reclassified as expense to the statement of income	$ 0					$ 0								$ 0	$ 0	$ 0
Pre-tax loss on forward exchange contract															7,600,000
Net revenues	450,539,000	413,796,000	420,059,000	411,877,000	[1]	419,056,000	[2]	368,054,000	[2]	383,332,000	[2]	380,567,000	[1],[2]	1,696,271,000	1,551,009,000	1,492,528,000
Spain, Italy, Portugal, and Greece
Derivatives Fair Value [Line Items]
Net revenues														142,600,000	132,500,000	138,400,000
Interest Rate Swap | Cash Flow Hedges
Derivatives Fair Value [Line Items]
Interest rate swap, notional amount designated as a hedge																$ 350,000,000

[1] Amounts for the first quarter 2012 include a pretax goodwill impairment charge of $332.1 million, or $315.1 million net of tax. See Note 7 to the consolidated financial statements.

[2] Amounts reflect the retrospective impact of reporting the orthopedic business as discontinued operations. See Note 18 to the consolidated financial statements.