Label	Element	Value
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (1,287,000)
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(5,054,000)
Retained Earnings [Member]
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	585,858,000
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	594,795,000
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(1,287,000)
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (5,015,000)
Treasury Stock [Member]
Shares, Issued	us-gaap_SharesIssued	41,297,000
Shares, Issued	us-gaap_SharesIssued	29,114,000
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	$ (494,395,000)
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	(413,465,000)
Additional Paid-in Capital [Member]
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	468,806,000
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	$ 486,406,000
Common Stock [Member]
Shares, Issued	us-gaap_SharesIssued	116,949,000
Shares, Issued	us-gaap_SharesIssued	127,471,000
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	$ 1,275,000
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	1,169,000
AOCI Attributable to Parent [Member]
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	(83,000)
Stockholders' Equity Attributable to Parent	us-gaap_StockholdersEquity	(361,000)
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(39,000)
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 0