Business Combinations (Details) (USD $) In Millions	Jul. 01, 2011 CapRock [Member]	Jul. 30, 2010 CapRock [Member]	Jul. 01, 2011 Carefx [Member]	Apr. 04, 2011 Carefx [Member]	Jul. 01, 2011 Schlumberger GCS [Member]	Apr. 04, 2011 Schlumberger GCS [Member]
Net Assets Acquired
Cash consideration paid to former owners		$ 540.2		$ 153.8		$ 384.6
Less cash acquired		(22.7)		(1.2)		(4.0)
Total net purchase price paid		517.5		152.6		380.6
Estimated post-closing acquired cash true-up				0.7
Total estimated net purchase price	517.5	517.5	152.6	153.3	380.6	380.6
Allocation of purchase price:
Accounts and notes receivable		41.3		5.8		4.8
Inventories		36.6		4.4		3.9
Other current assets		4.3		0.3		4.2
Current deferred income taxes		14.3		1.5
Property, plant and equipment		59.1				33.7
Goodwill		381.9		118.8		268.3
Identifiable intangible assets	131.5	131.5	31.4	31.4	75.4	75.4
Other assets				0.1
Total assets acquired		669.0		162.3		390.3
Accounts payable and accrued expenses		88.6		4.7		5.4
Advance payments and unearned income		3.3		2.8
Non-current deferred income taxes		50.1		0.6		4.3
Other liabilities		9.5		0.9
Total liabilities acquired		151.5		9.0		9.7
Net assets acquired		$ 517.5		$ 153.3		$ 380.6