Percentage of the total number of shares expected to be purchased in the Accelerated Share Repurchase program.

No definition available.

Name:	atr_AcceleratedShareRepurchaseProgramPercentageOfTotalSharesExpectedToBePurchased
Namespace Prefix:	atr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_EquityClassOfTreasuryStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of a stock repurchase plan authorized by an entity's Board of Directors.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

+ Details

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

- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

+ Details

Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=atr_AsrProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

STOCK REPURCHASE PROGRAM (Details) (USD $)	0 Months Ended	12 Months Ended			0 Months Ended
STOCK REPURCHASE PROGRAM (Details) (USD $)	Oct. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 17, 2014
Stock repurchase program
Number of shares repurchased		4,500,000us-gaap_TreasuryStockSharesAcquired	2,000,000us-gaap_TreasuryStockSharesAcquired
Aggregate amount of share repurchases (in dollars)		$ 340,517,000	$ 118,813,000	$ 79,793,000
Share repurchases authorized amount	350,000,000
ASR Program
Stock repurchase program
Number of shares repurchased					3,100,000
Aggregate amount of share repurchases (in dollars)					250,000,000
Share repurchases authorized amount					$ 250,000,000
Percentage of the total number of shares expected to be purchased in the ASR					80.00%