Condensed Consolidating Financial Statements Condensed Consolidating Financial Statements (Cash Flow) (Details) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2014 Consolidation, Eliminations [Member] USD ($)	Jun. 30, 2014 Parent Company [Member] USD ($)	Jun. 30, 2014 Guarantor Subsidiaries [Member] USD ($)	Jun. 30, 2014 Non-Guarantor Subsidiaries [Member] USD ($)
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ 177,451	$ (140,522)	$ (155,613)	$ 153,255	$ 141,858	$ 37,951
Cash flows from investing activities:
Payments to Acquire Property, Plant, and Equipment	(18,755)	(13,670)	0	(1,371)	(13,086)	(4,298)
Increase Decrease in Consolidated Subsidiaries	0		170,987	(38,589)	(161,166)	28,768
Payments to Acquire Businesses, Net of Cash Acquired	(993,210)	0	0	0	(1,009,286)	16,076
Proceeds from insurance settlements	654	657	0	0	654	0
Net cash (used in) provided by investing activities	(1,011,311)	(13,013)	170,987	(39,960)	(1,182,884)	40,546
Cash flows from financing activities:
Proceeds from Issuance of Long-term Debt	600,000	0	0	600,000	0	0
Payments of Financing Costs	(9,266)	(532)	0	(9,266)	0	0
Payments for Repurchase of Common Stock	(17,804)	(11,950)	0	(17,804)	0	0
Proceeds from stock option exercises	925	1,551	0	925	0	0
Excess tax benefits from share-based compensation arrangements	4,708	2,893	0	4,708	0	0
Repayments of Long-term Capital Lease Obligations	(1,312)	(760)	0	0	(865)	(447)
Long-term Intercompany Debt	0		0	(706,190)	706,190	0
Capital contributions from Related Party	0		0	0	(5,100)	5,100
Proceeds from (Payments to) Noncontrolling Interests	835	0	0	0	0	835
Net cash provided by (used in) financing activities	578,086	(8,798)	0	(127,627)	700,225	5,488
Net increase in cash and cash equivalents from continuing operations	(255,774)	(162,333)	15,374	(14,332)	(340,801)	83,985
Cash Provided by (Used in) Operating Activities, Discontinued Operations	(2,719)	0	0	0	0	(2,719)
Net Cash Provided by (Used in) Discontinued Operations	(2,719)	0	0	0	0	(2,719)
Effect of Exchange Rate on Cash and Cash Equivalents	20,534	0	(15,374)	15,374	15,374	5,160
Cash and cash equivalents at beginning of period	521,951	610,970	0	942	519,392	1,617
Cash and cash equivalents at end of period	$ 283,992	$ 448,637	$ 0	$ 1,984	$ 193,965	$ 88,043