Represents the entity's closing stock price.

No definition available.

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Namespace Prefix:	advs_
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Balance Type:	na
Period Type:	instant

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were adjusted during the reporting period.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Reduction in the number of shares available under the Plan for each share covered by awards of equity-based payment instruments other than stock (or unit) options.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	xbrli:sharesItemType
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- Definition

The intrinsic value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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- Definition

The number of shares under options and stock appreciation rights that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of share options and stock appreciation rights granted during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	xbrli:sharesItemType
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- Definition

The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options and stock appreciation rights outstanding, as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

The number of shares into which fully vested and expected to vest stock options and stock appreciation rights outstanding can be converted under the option plan, as of the balance sheet date.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The weighted-average exercise price for outstanding stock options and stock appreciation rights that are fully vested or expected to vest as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted-average period between the balance sheet date and expiration date for fully vested and expected to vest options and stock appreciation rights outstanding, which may be expressed in a decimal value for number of years.

+ References

No definition available.

+ Details

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Data Type:	xbrli:decimalItemType
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- Details

Name:	advs_ShareBasedCompensationArrangementByShareBasedPaymentAwardRollForward
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Data Type:	xbrli:stringItemType
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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The exercise price for purposes of disclosing shares potentially issuable under outstanding stock option awards and SARs on all stock plans and other required information pertaining to awards.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options and stock appreciation rights as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options and stock appreciation rights which are in the customized range of exercise prices.

+ References

No definition available.

+ Details

Name:	advs_ShareBasedCompensationSharesAuthorizedUnderStockOptionAndStockAppreciationRightsPlansExercisePriceRangeOutstandingOptionsAndStockAppreciationRightsWeightedAverageExercise
Namespace Prefix:	advs_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted-average period remaining as of the balance sheet date until option or stock appreciation right expiration pertaining to the outstanding stock options and stock appreciation rights for all option and stock appreciation rights plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months).

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

No definition available.

+ Details

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Namespace Prefix:	advs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	advs_StockOptionsAndStockAppreciationRightsExercisableAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Period Type:	duration

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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- Details

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The decrease in the number of shares that could be issued attributable to the lapse of rights to exercise previously issued stock options under the terms of the option agreements under the plan during the reporting period.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Stock-Based Compensation (Details 5) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Y	Dec. 31, 2011	Dec. 31, 2010
Options and SARs outstanding
Number of Shares	7,668,000
Weighted Average Remaining Contractual Life (in years)	6.11
Weighted Average Exercise Price (in dollars per share)	$ 19.82
Expected to vest
Number of shares expected to vest	7,295,000
Weighted Average Remaining Contractual Life (in years)	5.95
Weighted Average Exercise Price (in dollars per share)	$ 19.57
Stock options and SARs exercisable
Number Exercisable (in shares)	4,575,000
Weighted Average Exercise Price (in dollars per share)	$ 16.55
Aggregate intrinsic value of options and SARs expected to vest	$ 26.5
Equity awards available for grant
Beginning balance (in shares)	4,545,000	6,622,000	5,087,000
Award authorized (in shares)	1,915,000		3,002,000
Ending balance (in shares)	4,155,000	4,545,000	6,622,000
Stock Options / Stock Appreciation Rights
Equity awards available for grant
Options and SARs granted (in shares)	(1,895,000)	(1,469,000)	(1,041,000)
Options and SARs canceled (in shares)	284,000	188,000	352,000
Weighted Average Grant Date Fair Value
Closing price of stock (in dollars per share)	$ 21.38
Options
Equity awards available for grant
Options expired (in shares)		(10,000)
RSU
Equity awards available for grant
RSUs granted	(520,000)	(489,000)	(452,000)
RSUs canceled (in shares)	98,000	94,000	62,000
RSUs adjustment (in shares)	(272,000)	(391,000)	(388,000)
RSU activity
Outstanding and unvested at beginning of period (in shares)	1,253,000	1,308,000	1,369,000
RSUs granted (in shares)	520,000	489,000	452,000
RSUs vested (in shares)	(402,000)	(450,000)	(451,000)
RSUs canceled (in shares)	(98,000)	(94,000)	(62,000)
Outstanding and unvested at end of period (in shares)	1,273,000	1,253,000	1,308,000
Weighted Average Grant Date Fair Value
Outstanding and unvested at beginning of period (in dollars per share)	$ 16.51	19.58	18.17
RSUs granted (in dollars per share)	$ 25.69	26.75	22.05
RSUs vested (in dollars per share)	$ 21.36	35.35	17.85
RSUs canceled (in dollars per share)	$ 23.82	22.21	18.99
Outstanding and unvested at end of period (in dollars per share)	$ 18.16	16.51	19.58
Aggregate intrinsic value (in dollars)	$ 27.2
Closing price of stock (in dollars per share)	$ 21.38
Stock Plan Amendment April 2010
Equity awards available for grant
Reduction in shares available under the Plan for each share covered by awards due to plan amendment	1.99
Stock Plan Amendment April 2012
Equity awards available for grant
Reduction in shares available under the Plan for each share covered by awards due to plan amendment	1.79
$6.96 - $9.13
Options and SARs outstanding
Number of Shares	877,000
Weighted Average Remaining Contractual Life (in years)	1.53
Weighted Average Exercise Price (in dollars per share)	$ 9.04
Stock options and SARs exercisable
Number Exercisable (in shares)	877,000
Weighted Average Exercise Price (in dollars per share)	$ 9.04
$6.96 - $9.13 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 9.13
$6.96 - $9.13 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 6.96
$9.35 - $9.36
Options and SARs outstanding
Number of Shares	77,000
Weighted Average Remaining Contractual Life (in years)	1.05
Weighted Average Exercise Price (in dollars per share)	$ 9.35
Stock options and SARs exercisable
Number Exercisable (in shares)	77,000
Weighted Average Exercise Price (in dollars per share)	$ 9.35
$9.35 - $9.36 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 9.36
$9.35 - $9.36 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 9.35
$9.48 - $14.09
Options and SARs outstanding
Number of Shares	942,000
Weighted Average Remaining Contractual Life (in years)	2.66
Weighted Average Exercise Price (in dollars per share)	$ 12.02
Stock options and SARs exercisable
Number Exercisable (in shares)	917,000
Weighted Average Exercise Price (in dollars per share)	$ 12.05
$9.48 - $14.09 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 14.09
$9.48 - $14.09 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 9.48
$14.16 - $16.97
Options and SARs outstanding
Number of Shares	770,000
Weighted Average Remaining Contractual Life (in years)	5.29
Weighted Average Exercise Price (in dollars per share)	$ 15.96
Stock options and SARs exercisable
Number Exercisable (in shares)	701,000
Weighted Average Exercise Price (in dollars per share)	$ 15.94
$14.16 - $16.97 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 16.97
$14.16 - $16.97 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 14.16
$17.00 - $20.88
Options and SARs outstanding
Number of Shares	911,000
Weighted Average Remaining Contractual Life (in years)	4.88
Weighted Average Exercise Price (in dollars per share)	$ 19.55
Stock options and SARs exercisable
Number Exercisable (in shares)	830,000
Weighted Average Exercise Price (in dollars per share)	$ 19.50
$17.00 - $20.88 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 20.88
$17.00 - $20.88 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 17.00
$21.09 - $21.75
Options and SARs outstanding
Number of Shares	1,170,000
Weighted Average Remaining Contractual Life (in years)	8.47
Weighted Average Exercise Price (in dollars per share)	$ 21.42
Stock options and SARs exercisable
Number Exercisable (in shares)	373,000
Weighted Average Exercise Price (in dollars per share)	$ 21.71
$21.09 - $21.75 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 21.75
$21.09 - $21.75 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 21.09
$21.90 - $26.73
Options and SARs outstanding
Number of Shares	742,000
Weighted Average Remaining Contractual Life (in years)	7.45
Weighted Average Exercise Price (in dollars per share)	$ 24.53
Stock options and SARs exercisable
Number Exercisable (in shares)	374,000
Weighted Average Exercise Price (in dollars per share)	$ 24.24
$21.90 - $26.73 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 26.73
$21.90 - $26.73 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 21.90
$26.80
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 26.80
Number of Shares	1,057,000
Weighted Average Remaining Contractual Life (in years)	9.31
Weighted Average Exercise Price (in dollars per share)	$ 26.80
$26.85
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 26.85
Number of Shares	11,000
Weighted Average Remaining Contractual Life (in years)	7.87
Weighted Average Exercise Price (in dollars per share)	$ 26.85
Stock options and SARs exercisable
Number Exercisable (in shares)	5,000
Weighted Average Exercise Price (in dollars per share)	$ 26.85
$26.91
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 26.91
Number of Shares	918,000
Weighted Average Remaining Contractual Life (in years)	8.06
Weighted Average Exercise Price (in dollars per share)	$ 26.91
Stock options and SARs exercisable
Number Exercisable (in shares)	372,000
Weighted Average Exercise Price (in dollars per share)	$ 26.91
$27.02 - $30.15
Options and SARs outstanding
Number of Shares	193,000
Weighted Average Remaining Contractual Life (in years)	8.54
Weighted Average Exercise Price (in dollars per share)	$ 27.50
Stock options and SARs exercisable
Number Exercisable (in shares)	49,000
Weighted Average Exercise Price (in dollars per share)	$ 27.68
$27.02 - $30.15 \| Maximum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 30.15
$27.02 - $30.15 \| Minimum
Options and SARs outstanding
Exercise Price (in dollars per share)	$ 27.02