Supplemental Guarantor Financial Information (Cash Flow) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Net cash flows used by operating activities	$ (11,267)	$ (32,826)
Capital expenditures	(53,666)	(61,159)
Payments for acquisition, net of cash acquired	0	(10,143)
Proceeds from sale of business, net of cash divested	46,805	0
Intercompany short-term financing, net	0
Intercompany loan proceeds	0	0
Intercompany loan payments	0	0
Proceeds from disposal of assets	789	336
Proceeds from equity investments in affiliates	0	46,240
Net cash flows used by investing activities	(6,072)	(24,726)
Excess tax benefits from stock-based compensation arrangements	8,490	8,399
Payments on long-term debt	(20,000)	(10,000)
Payments under other financing arrangements	13,233	9,701
Payments under other financing arrangements	(4,789)	(9,072)
Short-term financing, net	0	209,000
Repurchases of common shares	(153,068)	(306,317)
Payments of dividends	(41,382)	(37,621)
Intercompany short-term financing, net	0
Intercompany loan proceeds	0	0
Intercompany loan payments	0	0
Intercompany dividends	0	0
Other	(2,499)	(73)
Net cash flows used by financing activities	(200,015)	(135,983)
Effect of exchange rate changes on cash	(2,881)	(6,005)
Net change in cash and cash equivalents	(220,235)	(199,540)
Cash and cash equivalents at beginning of period	363,804	304,252
Cash and cash equivalents at end of period	143,569	104,712
Parent (Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash flows used by operating activities	186,273	143,558
Capital expenditures	0	0
Payments for acquisition, net of cash acquired		0
Proceeds from sale of business, net of cash divested	0
Intercompany short-term financing, net	0
Intercompany loan proceeds	0	0
Intercompany loan payments	0	0
Proceeds from disposal of assets	0	0
Proceeds from equity investments in affiliates		0
Net cash flows used by investing activities	0	0
Excess tax benefits from stock-based compensation arrangements	0	0
Payments on long-term debt	(20,000)	(10,000)
Payments under other financing arrangements	0	0
Payments under other financing arrangements	0	0
Short-term financing, net		209,000
Repurchases of common shares	(153,068)	(306,317)
Payments of dividends	(41,382)	(37,621)
Intercompany short-term financing, net	0
Intercompany loan proceeds	0	0
Intercompany loan payments	0	0
Intercompany dividends	0	0
Other	0	59
Net cash flows used by financing activities	(214,450)	(144,879)
Effect of exchange rate changes on cash	0	0
Net change in cash and cash equivalents	(28,177)	(1,321)
Cash and cash equivalents at beginning of period	29,086	2,609
Cash and cash equivalents at end of period	909	1,288
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash flows used by operating activities	72,926	132,215
Capital expenditures	(20,953)	(17,817)
Payments for acquisition, net of cash acquired		0
Proceeds from sale of business, net of cash divested	0
Intercompany short-term financing, net	0
Intercompany loan proceeds	8	911
Intercompany loan payments	(1,864)	(15)
Proceeds from disposal of assets	78	73
Proceeds from equity investments in affiliates		0
Net cash flows used by investing activities	(22,731)	(16,848)
Excess tax benefits from stock-based compensation arrangements	6,487	6,578
Payments on long-term debt	0	0
Payments under other financing arrangements	0	0
Payments under other financing arrangements	(5)	(10)
Short-term financing, net		0
Repurchases of common shares	0	0
Payments of dividends	0	0
Intercompany short-term financing, net	268,067
Intercompany loan proceeds	0	76,757
Intercompany loan payments	(130,247)	(56,332)
Intercompany dividends	(194,497)	(142,360)
Other	0	0
Net cash flows used by financing activities	(50,195)	(115,367)
Effect of exchange rate changes on cash	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash flows used by operating activities	(64,561)	(155,904)
Capital expenditures	(32,713)	(43,342)
Payments for acquisition, net of cash acquired		(10,143)
Proceeds from sale of business, net of cash divested	46,805
Intercompany short-term financing, net	(268,067)
Intercompany loan proceeds	130,247	56,332
Intercompany loan payments	0	(76,757)
Proceeds from disposal of assets	711	263
Proceeds from equity investments in affiliates		46,240
Net cash flows used by investing activities	(123,017)	(27,407)
Excess tax benefits from stock-based compensation arrangements	2,003	1,821
Payments on long-term debt	0	0
Payments under other financing arrangements	13,233	9,701
Payments under other financing arrangements	(4,784)	(9,062)
Short-term financing, net		0
Repurchases of common shares	0	0
Payments of dividends	0	0
Intercompany short-term financing, net	0
Intercompany loan proceeds	1,864	15
Intercompany loan payments	(8)	(911)
Intercompany dividends	(11,408)	(10,335)
Other	(2,499)	(132)
Net cash flows used by financing activities	(1,599)	(8,903)
Effect of exchange rate changes on cash	(2,881)	(6,005)
Net change in cash and cash equivalents	(192,058)	(198,219)
Cash and cash equivalents at beginning of period	334,718	301,643
Cash and cash equivalents at end of period	142,660	103,424
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash flows used by operating activities	(205,905)	(152,695)
Capital expenditures	0	0
Payments for acquisition, net of cash acquired		0
Proceeds from sale of business, net of cash divested	0
Intercompany short-term financing, net	268,067
Intercompany loan proceeds	(130,255)	(57,243)
Intercompany loan payments	1,864	76,772
Proceeds from disposal of assets	0	0
Proceeds from equity investments in affiliates		0
Net cash flows used by investing activities	139,676	19,529
Excess tax benefits from stock-based compensation arrangements	0	0
Payments on long-term debt	0	0
Payments under other financing arrangements	0	0
Payments under other financing arrangements	0	0
Short-term financing, net		0
Repurchases of common shares	0	0
Payments of dividends	0	0
Intercompany short-term financing, net	(268,067)
Intercompany loan proceeds	(1,864)	(76,772)
Intercompany loan payments	130,255	57,243
Intercompany dividends	205,905	152,695
Other	0	0
Net cash flows used by financing activities	66,229	133,166
Effect of exchange rate changes on cash	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	$ 0	$ 0